Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Richard Bennett manuscripts, 13 canlyniadau
- Herbert of Cherbury Manuscripts and Papers, 3 canlyniadau
- Miscellaneous pedigrees,, 3 canlyniadau
- Cwrtmawr manuscripts, 2 canlyniadau
- Llanover Manuscripts, 1 canlyniadau
- Llanstephan Manuscripts, 1 canlyniadau
- Crosswood (Mont.) Manuscripts, 1 canlyniadau
- Thomas and David Pennant manuscripts, 1 canlyniadau
- Pob un
- Blinn, Jane Doris, 1917-1998., 2 canlyniadau
- Iolo, Goch, active 1345-1397, 1 canlyniadau
- Roger Williams, 'Iolo Morganwg' and Taliesin Williams., 1 canlyniadau
- Evans, Morris, active 1667-1693, 1 canlyniadau
- Llwyd, Humphrey, 1527-1568, 1 canlyniadau
- Rogers, Edgar, b. 1873., 1 canlyniadau
- Lloyd-Owen, D. C. (David Charles), 1843-1925., 1 canlyniadau
- Richardson, John, active 1687, 1 canlyniadau
- Pob un
- Harris, Howell, 1714-1773, 2 canlyniadau
- Lloyd-Owen, D. C. (David Charles), 1843-1925, 2 canlyniadau
- Wilson family, of Trefeglwys, Llandinam and Carno, 2 canlyniadau
- Evans family, of Trefeglwys, 2 canlyniadau
- Trevecca College, 1 canlyniadau
- Mansell family, Barons of Margam, 1 canlyniadau
- Coleg y Bala., 1 canlyniadau
- Dafydd ap Gwilym, active 14th century, 1 canlyniadau
- Herbert family, Earls of Pembroke, 1 canlyniadau
- Davies, J. H. (John Humphreys), 1871-1926, 1 canlyniadau
- Pob un
- Montgomeryshire (Wales) -- Genealogy, 28 canlyniadau
- Merioneth (Wales) -- Genealogy, 3 canlyniadau
- Anglesey (Wales) -- Genealogy, 2 canlyniadau
- Denbighshire (Wales) -- Genealogy, 2 canlyniadau
- Congregationalists -- Wales -- Llanbrynmair., 2 canlyniadau
- Land tenure -- Wales -- Trefeglwys, 2 canlyniadau
- Calvinistic Methodists -- Wales, 1 canlyniadau
- Tribes -- Wales, 1 canlyniadau
- Traditional medicine -- Formulae, receipts, prescriptions, 1 canlyniadau
- Medicine -- Formulae, receipts, prescriptions, 1 canlyniadau
- Pob un
- Church records and registers -- Wales -- Llanbrynmair., 4 canlyniadau
- Marriage records -- Wales -- Llanbrynmair, 4 canlyniadau
- Church records and registers -- Wales -- Carno, 4 canlyniadau
- Church records and registers -- Wales -- Llandinam, 4 canlyniadau
- Inscriptions -- Wales -- Llanbrynmair., 4 canlyniadau
- Probate records -- Wales -- Merioneth., 3 canlyniadau
- Welsh poetry -- 1100-1400, 3 canlyniadau
- Burial records -- Wales -- Llanbrynmair, 3 canlyniadau
- Baptismal records -- Wales -- Llanbrynmair, 3 canlyniadau
- Church records and registers -- Wales -- Cemaes., 3 canlyniadau