Deeds and documents, 1514-1813, collected by Richard Williams of Celynog, relating mostly to properties in Montgomeryshire as well as Flintshire, Merionethshire and Shropshire, including the township of Rhandregynwen, Llandysilio, Montgomeryshire, 1581-1605, the township of Bodaioch, Trefeglwys, Montgomeryshire, 1562-1630, and Treuddyn, Flintshire, 1621-1639; and depositions of witnesses, 1580, taken at the Court of the Council of Wales and the Marches, concerning a case of trespass.
There appears to be no single family unifying these deeds, however some individuals and families appear several times: Ieuan ap Richard of Domgay, Ieuan ap Llywelyn ap Gruffydd Sais and his son Gruffith ap Ieuan, Llandysilio, Montgomeryshire (Rhandregynwen deeds), the Pope family of Shropshire (Trefeglwys deeds) and Rees ap John William and Lewis ap John Merton of Treuddyn, Flintshire (Treuddyn deeds).