Abstracts prepared for Robert Owen, Croesor, of wills proved in the Prerogative Court of Canterbury, including those of Richard Whitford, priest, 14 February, 1510/11, and Rees Vaughan ap William of Corsygedol, parish of Llanthoywey, deanery of Arddudwy, 8 August, 1580; similar abstracts of proceedings in the Court of Star Chamber relating to the counties of Caernarvon and Denbigh, temp. Elizabeth-James I; and a list by Robert Owen of late seventeenth and early eighteenth century probate records, in the diocesan registries of Bangor and St. Asaph, of persons in Llandderfel, Corwen, Llandrillo in Edernion, Gwythelwern, Llansanffraid [Glyndyfrdwy], and Llangar, Merioneth.