An early seventeenth century manuscript, fragile, written c. 1611-1621 and possibly earlier by Roger Williams, clerk, rector of the parish of St. Nicholas, co. Glamorgan [the scribe of parts of Llanstephan MS 41] and containing pedigrees, Welsh poetry, medical and veterinary recipes, etc. Roger Williams [TLLM, 41n, 213-4] was the son of Roger William of Prisk [in the parish of Llanddunwyd (Welsh St. Donats)] and he married Elinor Rees [daughter of Rhys Amheurug (Rees Merrick)]: his pedigree is on p. 27 of this manuscript (cf. Llanstephan MS 41, p. 173). A folio or folios are wanting at the beginning and someone has written the words 'The Isue [sic] of Gruffydd fawr [De Radyr]' opposite the first page (p. 4). The contents, except where otherwise stated, consist of genealogical data relating to the persons or places specified as follows: p. 8, part of an account mentioning Pwllymyn, etc.; 9, the issue of Lle'n ap Kynwrige; 10, a 'cywydd' by Rys Brychan; 12, a 'cywydd' by Howel ap Davyd ap Ievan ap Rees; 14, mention of William Thomas, son of Thomas Gwilim Jenkin of Gwern ddy in the parish of St. Brids near Abergenvenye [sic]; 16, a copy of a general release, 1613, from Elizabeth Howell of Welshe St. Donettes, co. Glamorgan, spinster, to William Rosser of the same, yeoman, executor of the will of Thomas Rosser late of Welshe St. Donettes aforesaid, deceased; 17, recipes; 18, a 'cywydd' by Llewelyn ap Howell ap Ievan Gronow; 21, recipes, extracts, etc.; 24, pedigree of the Mansells; 26, a copy of a note from John Robertes, rector of Langan; 27, descendants of Howell Vawr apris ap Cradocke . . .; 28, Mansells, etc.; 29, descendants of Roger de Londres of Ogmor and Kydwelye; 29-30, 'englynion' by Thomas Lle'n and Sion Tomos Hwel, in another hand, followed by a note concerning the jointure of Agnes Rosser, wife of Thomas Edwardes late deceased of St. Hilarye, co. Glamorgan, gent.; 31, Rychard Thomas of Tree r groes within the parish of Coychurch (cf. 45), copy of a writ, 1598, medical recipes; 34, Bassetts [cf. Llanstephan MS 41, p. 62]; 35, lines of Welsh poetry and a note of a bond [1614], with an 'englyn' by Watkin apowell in the margin; 36, a copy of the will of John Bassett of Bewper in the parish of St. Hilary, 1512[/13] (Latin); 38, weather lore, husbandry, etc.; 45, an 'englyn' by Thomas William Howell, instructions for conducting prayers ('Chwi estyngwch y lawr ar dal ych glynie . . .'); 46, Thomas ap Rychard, register of the consistory court of Landaph, Rys Brydyth o Lanharan and his descendants including Lewis Morganwg (cf. p. 144); 47, Tho: ap Morgan, clerk, vicar of Pentrych [sic], Tho: ap ho'll ap ph'e; 48, veterinary recipes; 49, Sr Mathew Cradock, kt.; 116, Justyn, lo: of Glamorgan, Sr John Carn ('owt of Thomas Johns Collections'); 117, 'ach Godwyn Iarll Kernyw y dynnwyd o lyvyr Iollo goch'; 50, a 'cywydd' by Griffith llwyd davyd ap Inon Liglyw; 52, Collene [sic]; 53, descendants of Davyd Mathew including John Mathew Myles 'late gayler [sic] indicted for willfull escape of John Jenkin one of the murderers' [?1592-1593], Mayndy, Sr. Jo: Gams; 54, Bolston, George Gibon of Trecastell, Howell Johns 'yt dwellyth now in London', etc.; 55, Trym Bennoc ap Maynyrch; 56, 'englynion' by Thomas Lewis 'o Lleche'; 57, Lansannor gwin (Gwyn); 58, Coedbychan. . ., Miskin wrth gornel y park, Lanharan; (continued)

59, Talygarn; 60, Castell Scurla . . ., Hendre vorgan; 61, Byrthyn, parish of Llanblethian; 62, Llanwensan, parish of Peterston super Eley [sic], Abergorky ('Morgan davyd Cadwgans petygree accordinge to Tho: Johns Collections'); 64, John ap Davyd ap Hopkyn ['Ynys Dawe']; 65, Bettus (Llwarch ap Aren); 66, Lantryssent, Kelly gronn nere Collenne . . ., Lanwinno; 67, Colleney (cf. p. 52), Turbills [sic]; 68, Morgan Cradock ap Ph'e . . ., Carries (Wenny); 69, Nash [Carne]; 71, Turbervills; 72, 'drawen owt of Rychard tho: ap gr' gochs Card of William llyn his drawing', Chadles; 74, Davyd ap hopkin ap tho: ap hopkin, Harrye John ap Richard; 75, Goed tree (cf. p. 144), Brigan; 76, Glynogwr; Ryw gwrach y blawd, Rywperrey; 77, Lanbradach and also a reference (twice) to the marriage of 'younge Mr Kemis of monmouth shire dwellynge verye nere to Catch asse', 1613[/14]; 78, Blaen Baglan, Aberavan, and Tir Iarll; 79, Langowyd [?Llangonydd], Neth (Mr Lyson Ievans); 80, Mr (Wm) Price, Cradock ap Iestyn - Blaen Baglan, Gwyrvill verch Hopkin ap d'd ap Hopkin; 81, Wm ap John ap Res ap Jenkin and Lantwyt vaer dree in miskin; 82, Bettus, Bridgend, William ffilib william; 83, Marlas (Rychard ap thomas ap gr' goch) 'drawen owt of Rychard tho: his Card'; 84, Caerwige (parish of Pendoylown), Jenkin ap wm ap gebb'n; 85, Rydlavar, Ystradvellte, Lantrissent; 86, Bach ap Gwayt, Lanylyd; 87, Landow; 88, Marcrosse [Vann], Splott. Bawdripps; 89, (?) Monnton ['Fflemings'], Lantrythed; 90, Groeswen, Sweldon, Margam; 91, Braych y kymor, Langynwyr; 92, Kelligaer i n Seynhenydd, Lewis ap Res, Pendoylon; 93, Broviskin; 94, St Nycholas, Lanharan, Saint fagans. Gibons; 95, Michelston, Bedwes, Broviskin; 96, Pendoylon; 97, 'from Ievan Jenkins of Langowyd' and [from] Thomas Jones; 98, Justyn lo: of Glamorgan; 99, Bleddyn ap Convyn, prince of powis, Griffith ap. Conan k of Gwynedd; 100, Rys ap Tewdwr k of Deheybarth, Elystan Glodrydd, prince betwyn wye and Severn; 101, Bleddyn ap Meynyrch lo: of Brecon, Trym bennog lo: of Cantre selyff, Guillyn lo: of ydstradyw, Einon ap gollwyn, and Argwydd [sic] lle'n; 102, Griffith ap yr argwydd [sic] Rys; 103, descendants of Ph'e fleming; 104, Baydan, parish of Langowyd - Gwayr ap Aren, Ystradyvodwg; 105, Cayre, Sergeant (d'd) Williams; 106, Brigan; 107, Ystrad ffin, Rys Gryg; 111, Aleth k of dyved; 112, Mathravan, followed by miscellaneous pedigrees; 118, (?) Abercrag; 119, Llanvrynach, Maesmawr; 120, Llandy bie, Kydweli, Aber Afan; 121, Brecon [Awbrey]; 122, Llandybie, Tir Rawlff, Arth brengi, Arwystly, Kaer Sws yn Arwystly; 123, Shere drevaldwyn. Kyviliog, Yskethrog Brecon, Sheree [sic] Gaervyrthin [Sr Rys ap tho:]; 126, Gada, Gwinionydd ywch kerdyn, Gwinionydd iskerdyn, Caer wedros; 127, Gwinionydd ywch aeron, Mab ffynion [sic] yn isaeron, Hirvryn, Eifel yn Swydd gaer, Penryn dyfed yn Swydd gaer, Mallaen yn Swydd gaer, Cayo yn Swydd gaer; 128, Carnwllon, Kydweli, Gener glyn yng Credigion, Cwmwd perfedd, Cryddyn ywch arfon ['aeron']; 128(a), Glyn aeron, Llangibi, with a note of the names of the sons of Rice Kemis of Llanvayr, co. Monmouth, 1617 and 1621; 128(b), descendants of Lle'n lia; 129, Ystradyvodwg, Brigan; 130, Langonoyd, Veddifnych yn Sheere gaer; 131, Y Slough, Aber yskyr; 132, Tyr Raulff (cf. p. 122), Pymtheg llwyth Gwynedd; 133, Mibon [sic] kynvarch oer, Shir Gaer [Griffith dwn]; 135, Owein glyndyfrdwy; 136, Langattwg dyffryn vsk; 137, Plant Ievan ap Jenkyn Kemys or began, Plant Sr Tho: Morgan hen o pencoyd, Mibon kenedda wledig ay tiveddiaeth; 139, Meibion kynwyd kynhwydion, Plant llwarch hen, Yal; 140, Pyctown in Pembroke Shire, Whit Church in monmoth Shire; 141, Penros, Troe, Tremsaran in Caerm'then Shire; 142, Aber Gwili Elystan glodrydd; 143, Wm Bleddyn Bishop of landaph, etc., and [(?) an extract from] Davydd Benwyn ' in an ould Rowl of Marlas'; 144, Goed tree (cf. p. 75), and Rys brydydd and his descendants (cf. p. 46); 145, a religious poem in Welsh consisting of thirty-three stanzas in free metre ('tribanau'); 150, recipes; 151, Caerwige, parish of Pendoylown, co. Glamorgan; 152 (insert, in another hand) 'of Troy'; and 155, 'Pymb Brenhinllwyth kymru'. The manuscript contains annotations by both Edward Williams, 'Iolo Morganwg', and Taliesin Williams, 'Taliesin ab Iolo'.

A volume of transcripts of Welsh poetry. The first fifty-one folios contain copies, in a 16th-century hand, of 'cywyddau' by Siôn Cent, Iolo Goch, Dafydd ap Gwilym, Madog Benfras, Gruffudd Gryg, Dafyddd ab Edmwnd, Iorwerth Fynglwyd, Tudur Aled, Dafydd Nanmor and others. The remainder of the volume (ff. 52-147) is in several hands of the end of the 17th century. At the head of f. 52 is the following note:- 'Haec sequens Collectio facta fuit Opera P.V.A.M. ...', the initials probably representing the name of Peter Vaughan, M.A., who was vicar of Llangernyw from 1682 to 1689. This part of the manuscript contains the names and arms of the fifteen tribes of Gwynedd; pedigrees of some Abergele families (among them that of Peter Vaughan himself) taken from the books of Sion Tudur and Rhys Cain; an account of the five residences of Sir Roger Mostyn in 1682; poetry in strict and free metres by Sion Tudur, Morus Dwyfech, Richard Phylip, Gryffydd Phylip, Guto'r Glyn, Maredudd ap Rhys, Edmwnd Prys, Lewis Glyn Cothi and others; etc.

A manuscript in the hand of Rowland Lewis of Mallwyd [d. 1652 or 1653] containing 'cywyddau', some 'englynion' and an 'awdl' by Dafydd Nanmor, Lewes Mon, Sion Tuddur, Dafydd Lloyd ap Lle'n ap Gruff[udd], Gytto or Glyn, Dio ap Ieuan Du, [Lewys] Morganwg, Howel ap Gytto, William Llyn, Morys ap Howel ap Tudr, Ieuan ap Rhys ap Lle'n, Huw Kae lwyd, Rhys ap Kynverig Goch, Dafydd ap Ieuan lloyd, Sion Kerri, Dafydd ap Gwillim, Morys Thomas Howel, Owen Gwynedd, Huw Arwystl, Sr. Owen ap Gwilim, Huw Llyn, John Kain, Sion Philip, Tudur Aled, Roger Kyffin, Dafydd ap Ieuan ap Owen, Wm. Ph[ilip]e, Thomas Pryse, David Lloyd ap Hugh, Gwerfyl Mechain, Doctor Sion Kent, Gruffyth ap Gronwy Gethin, Mr. Edmund Pris, Edward ap Rees, Huw Cowrnwy, Moris Dwyfech, Risiart Gruffydd, Edward Vrien, Moris ap Iefan ap Einion, Huw Roberts ('clerk'), Robert ap Howel ap Morgan ('o Langower'), Tuder Penllyn, Huw Kollwyd [sic] (? Huw Cae Llwyd), Llewelyn ap Guttyn, Iefan Brydydd hir, Ieuan Tew brydydd, Ifan Tuddr, Robert Dyfi, Ieuan Tuder Owen, Gruffuth Owen and Gruff[udd] Llwyd ap D'd ap Einion, and anonymous and incomplete poems; 'Y Compod Manuel, o waith D'd Nanmor allan o hen lyfr memrwn'; pedigrees (Gr. ap Kynan ..., David Lloyd ap D'd ..., Dolgelley - Lewys ap Owen ap Lle'n ..., Llanvendiged - Huw ? ap John ap Hugh ... Klenennav - Syr Wm. Moris ap Elissey ...); and '... henwau pymtheg llwyth Gwynedd, a ffle ir oeddent yn Tario ag yn gorsseddu ai harfav'. The volume is in the same hand as NLW MS 566, [See The National Library of Wales Journal, Vol IX, pp. 495-6], which formed No. 2 in the Llansilin Collection. The later sequence of pagination was carried out by Mary Richards, Darowen. Amongst the later marginalia is a copy of an undated (1 May [ ]) notice to let Ty'n Bedw, parish of Llangadfan, Montgomeryshire. The spine is lettered 'Kywyddau, Achau, Compot Manuel'.

Miscellaneous papers and home-made booklets containing transcripts, notes, lists, jottings, etc., in the hand of Edward Williams ('Iolo Morganwg') bound together in one volume. The contents are extremely varied. Prose items include items such as a brief note on Dafydd ap Gwilym (40), notes relating to Gruffudd ap Cynan and the 'eisteddfod' at Glyn Achlach in Ireland (41-2), a list of 'Constellations in Glam[organ]' (46), a list of 'Rhannau'r Dydd' (47), a version of the tale of Elphin and Taliesin at the court of Maelgwn Gwynedd copied 'Ex 37 P.P.' (i.e. Paul Panton MS 37 now NLW MS 2005, of which see ff. 26 verso-48 verso) (75-96), a list of Welsh bards, 11th - 15th cent., with occasional notes (104-05), an anecdote relating to Owain Glyndwr taking refuge in Syr Lawrens Berclos' s castle (106), genealogies of Iestyn ap Gwrgant, lord of Morgannwg, 1091, Meuric, lord of Gwent, descendant of Iestyn, and Syr Rhaph Rhawlech (107- 10), an anecdote relating to Owain Cyfeiliawc (112), a note on the descendants of Iestin ab Gwrgant (114), a note on Richard y Fwyalchen sef Syr Richard Williams, fl. 1590-1630 (116), extracts from [Dauid] Powel [: The Historie of Cambria now called Wales, 1584], pp.191-2, relating to the Welsh bards and minstrels (123-5), genealogical notes on members of the Cecil family from the time of Sir Rotpert Sitsyllt, late 11th cent., to the time of Sir William Cecill, Lord Burghley (127-33), a brief note on the computation of time and on 'Elinor Goch o dir Iarll' (140), notes relating to Welsh bardic grades (149-54), extracts from the review of The Myvyrian Archaiology of Wales which appeared in The Monthly Review, July 1802 (159-60), a list of Welsh proverbs (161-3), a note relating to, and extracts from, Thomas Jones [: Carolau a Dyriau Duwiol, 1696] (165-6), a list headed 'Deuddeg Prifgampau Gwybodau Gwrolion' (169-71), a section headed 'Mangofion am yr hen Brydyddion a hen gerdd dafawd' containing notes and triads relating to Welsh bardism and more particularly the 'bardd teulu' and 'cerdd deuluaidd' (175-85), a copy of the bardic oath ('Adduned neu Dynghedfen Bardd') (191), notes commencing 'Pum Cenedl gynhwynawl a wladychant Ynys Prydain' (207-08), a note relating to Gilbert y Clar (ob. 1295) and his son (ob. 1313) (223), triads (224-5), brief notes on the five stages in the development of ? the Welsh bardic alphabet ('Pumoes Llythyr') (226), notes relating to Gruffudd ap Cynan's flight to Ireland, 1096, and his organising of a meeting of bards and musicians at Glyn Athlach (227), a note on 'Cadair arddangos Tir Iarll' (228), notes headed 'Glamorgan School (Poetry)' containing references to Rhys Goch ab Rhiccert, Norman literary influence in South Wales, Walter de Mapes, D[afydd] ap Gwilym, translations into Welsh, 'Saith Doethion Rhufain', 'Ystori Siarlymaen', the 'Mabinogion', and Walter, archdeacon of Oxford and the original of Geoffrey of Monmouth's 'Historia', and an anecdote relating to Rhys Goch Eryri, etc. (245-7), notes headed 'Bardism lost in North Wales' relating to the state of bardism in North and South Wales from circa 1400 onwards with comments on the restoration of the Welsh language in which Dr. John Davies [of Mallwyd] is referred to as 'the saviour of our language, its regenerator . . .' (253-7), a list of words and phrases ? from [Hugh Lewys:] Perl mewn Adfyd (263-4), a note on translating (295-6), a version of a conversation between teacher and disciple concerning creation, the nature of created matter, the first man, the first three letters, etc., with a note by Edward Williams on the word 'manred' (? the substance of created matter) (307-09), notes relating to the three bardic brothers Madawc, Ednyfed, and Llywelyn ap Gruffudd of Marchwiail [co. Denbigh], an 'eisteddfod' held at Maesaleg [co. ], ? temp. Edward III, another 'eisteddfod' at Marchwiail, temp. Edward III, Gwilym Tew and an 'eisteddfod' at the monastery of Penn Rhys in Glyn Rhodni [co. Glamorgan], an 'eisteddfod' at Caerfyrddin, N.D., successive re-organising of the rules and regulations relating to bards and bardism and musicians in the time of Morgan Hen, prince of Morgannwg, and his brother Ceraint Fardd Glas [10th cent.], of Bleddyn ap Cynfyn [11th cent .], of Rhys ap Tewdwr, lord of Dinefwr (with references to a quarrel between the said Rhys and lestyn ab Gwrgan, lord of Glamorgan, because the latter had carried off 'Rhol y Ford Gronn'), of Gruffudd ap Rhys ap Tewdwr, and of Gruff. ap Cynan, and the patronage of the bards by the squirearchy after the fall of the princes (311-16), rules of the bardic order headed 'Llymma ddosparth y Ford gronn ar Feirdd a phrydyddion a gwyr wrth gerdd Dafawd yn Llys yr amherawdr Arthur . . .', with a note on the disappearance of 'Dosparth y Ford Gronn' and its subsequent restoration by Rhys ap Tewdwr (323-32), another ? incomplete list of regulations for the bardic order headed 'Llymma Hen Ddosparth ar Freiniau a defodau Beirdd a Phrydyddion a phob gwrth (sic) wrth Gerdd Dafawd o Hen Lyfr Watkin Powel o Benn y Fai' (333-5), a version of the gorsedd prayer ('Gweddi Talhaiarn neu weddi'r orsedd') with an English translation (337), a short list of miscellaneous Welsh triads (343), brief notes on the saints Elli and Twrog and 'Llyfr Twrog' (360) (continued)

a list of 'Words collected in Blaenau Morganwg, anno 1770' (361-2), a list of eight ? chapter headings under the superscription 'Dissertation on the Welsh Language' (364), copies of, and a note on, inscriptions 'on Ffynon Illtud near Neath', and on a tombstone in Margam Abbey (371), a note on the institution of 'Y Ford Gronn' by the Emperor Arthur (372), anecdotes or notes relating to twelve Welsh saints (385-8), an anecdote relating to a quarrel between Dafydd ap Gwilym and Gruffudd Grug (389), notes on the fifteen tribes of Gwynedd ('Pymtheg Llwyth Gwynedd o Drefn y Brenin Alfryd ac Anarawd ap Rhodri Mawr . . .') (391-402), ? extracts from the letters of Goronwy Owen with comments by Edward Williams ('Iolo Morganwg') (409-15), a list of the names of authors of carols in a volume belonging to 'Mr. Davies o Fangor' (417-18), a note on the bard Llawdden (418), notes under the heading 'Eisteddfodau Gwynedd' referring to 'eisteddfodau' at Marchwiail (14th cent.), Nant Gonwy (15th cent.), Croesoswallt, Caerwys (16th cent.), and Bala (late 17th cent.), Gruffudd ap Cynan's visit to an 'eisteddfod' at Castell Dinefwr and his introduction of the bardic regulations formulated there into North Wales, etc. (included is an 'englyn' attributed to Dafydd Llwyd 'o Fathafarn') (418-22), an anecdote relating to the bard Llawdden and Gruff. ap Nicolas and the convening of an 'eisteddfod' at Carmarthen, 19 Henry VI (428-9), brief notes referring to 'cynghanedd' usage prior to the 'eisteddfod' at Caerfyrddin in 1451, changes inaugurated by Llawdden with regard to 'cynghanedd' and the strict metres, etc- (431-2), notes headed 'Llyma gyfarwyddyd parth ag am y Naw cwlm cerdd a fuant yng ngherdded Oesoedd amrafaelion ar arfer gan Feirdd a Phrydyddion Cymru' (433-4), notes on 'poetical talent' in the family of Meilir Brydydd, the Gower family in Glamorgan, the family of Einion ap Collwyn, and the 'Avan Branch of the House of Iestin ap Gwrgan', and general observations on the possibility of the development of poetic taste and ability in an individual, etc. (435-40 ), an ? incomplete list of triads headed 'Trioedd y Ford Gronn yn Nhir larll' (453-5) a note relating to 'cerddi teuluaidd' found in manuscript volumes in Glamorgan (463), a note on a bardic 'cadair arddangos' (464), an anecdote relating to Ifor Hael, Llywelyn ap Gwilym, and Dafydd ap Gwilym and a bardic convention at Gwern y Cleppa circa 1330 (466), a note on the bard-brothers Siôn, Wiliam, and Richard Philip of Ardudwy (467), a short list of three triads headed 'Trioedd Cadair Morganwg' (468), notes relating to an 'eisteddfod' at Nant Gonwy, 1 Edward IV, where the strict- metre poetic system devised by Dafydd ap Edmwnt at the 'eisteddfod' held at Carmarthen, 9 Henry VI, was ? officially accepted ('breiniwyd'), incorporating 'englynion' attributed to Dafydd ap Edmwnt and Twm Tegid of Llan Gower in Penllyn (479-81), a list of Glamorgan proverbs ('Diarhebion Morganwg Cymmysg') (499-506), two sets of outline notes headed 'Ancient British Literature' and 'Characteristics of ancient Welsh Literature in its several ages or periods' (507-10), a list of English proverbs headed 'Lantwit and Gower proverbs. The Devil's name in every one of them' (513), miscellaneous triads headed 'Trioedd Cymmysg' (515-16), two lists headed 'Deg Peth ni thalant ei hachub o'r Tan' and 'Deuddegpeth drwg a drwg fydd eu diwedd' (531), a list of 'Mesurau cerdd dafawd Cyffredin', which, according to a note at the end, were also known as 'Mesurau arwest' and 'mesurau cerdd deulu' (536-9), a note on poetical works which appeared in Wales circa 1350 and later in the same century and were attributed to Taliesin and other bards (540), notes referring to 'eisteddfodau' at Caerfyrddin in 1451 and 1460, Nant Conwy [temp. Tudur Aled], and Caerwys, temp. Henry VIII and temp. Elizabeth, with references to changes introduced in the bardic rules and regulations and incorporating an 'englyn' attributed to Ieuan Tew Ieuanc (541-3), and a brief note on the bardic 'Cadair Tir Iarll' (543). Verse items include transcripts of poems, largely 'englynion', or sections of poems attributed to D[afydd] ab Gwilym (40), Taliesin, Iolo Goch, and Llywelyn Goch ap Meyryg Hen (49), Y Bardd Glas o'r Gadair (97-8, 134-7), Caradawc Llancarfan (99), Gwgan Farfawc 'o Landathan' or Gwgan Fardd (100-04), Edward Rhisiart 'o Lan Fair y Bont Faen' (113), Dafydd y Blawd (115), Rhys Meigen (117), Thomas Morgan 'o'r Tyle Garw' (118-20), William Davies or Gwilym Tir Ogwr (122), Siôn y Cent (126), Elis Wynn 'o Las Ynys' (144-5), Edmund Prys, Ficar Clynog Fawr ('mab yr hen archiagon') (145-6), Siôn Morys 'o Lanfabon' (148), lorwerth ap y Gargam (223), y Parchedig D. Dafis, 'gweinidog Llwyn Rhyd Owain' (353-5), Daf. Benwyn (378), Dafydd Nicolas, Aberpergwm (390, 426), Dafydd Alaw (403- 04), Siôn Brwynog (405-06), Llawdden (406, ? 426, 428), Wiliam Cynwal (408 ), Richard Philip (408, 467), Wm. Llyn, Dafydd ap Edmwnt, Robert Clidro, Howel Bangor, and Cadwgan ap Rhys (425), Thos. Llewelyn 'o Regoes' (426), Gruff. ap Maredydd ap Dafydd, Rhisiart Iorwerth, and Siôn Tudur (427), Gruff. ap Dafydd ap Tudur (428), Tudur Aled and Huw Llwyd Cynfel (430), Prohl (with a note 'Einon offeirad, Bardd Syr Rhys Hen o Abermarlais, a elwid y Prohl . . .') (461-2), [Edward Williams] 'Iolo Morganwg' (467, 507 ), and Dafydd o'r Nant (481). Also included are lists or groups of Welsh words sometimes with English definitions, excerpts from the works of Welsh poets, these sometimes to illustrate specific words, miscellaneous genealogical data, notes relating to Welsh grammar and etymology, miscellaneous memoranda, extracts from a variety of printed sources, etc.

A manuscript (watermark 1838) in a parchment cover made out of an affidavit sworn at Swansea, 1821, containing transcripts from a manuscript or manuscripts of Peter Vaughan, A.M., vicar of Llangerniw [Llangernyw, co. Denbigh] as follows: two 'englynion' containing the names of the fifteen tribes of Gwynedd; 'A short acc[oun]t of the fifteen tribes of North Wales collected out of ancient B[r]itish MSS. by P[eter] V[aughan]', followed by an account of the five royal tribes of Cambria ('5 Brenhinllwyth Cymry'), with the names of 'Pump Kostawglwyth Cymry' and '3 byrriach Gwynedd'; the pedigrees of the fifteen tribes of North Wales, etc., drawn to Beli Mawr; the names of the kings of Britain to Brutus and to Cadwaladr and of the princes of Wales from Cadwaladr to Llewelyn ab Griffith; and 'A short acc[oun]t of the Archbishopricks & Bishopricks in England & Wales by P[eter] V[aughan] 1685'. The tenor of the affidavit forming the cover is that Robert Withecombe of the town of Swansea, co. Glamorgan, gent., knows Alexander Prole and Dorothea, his wife, two of the cognizors named in a fine. Loose in the manuscript is a fragment of a (?) fourteenth century legal manuscript in Latin, once used as a cover for a small book or manuscript.