Nielsen Hayden genealogy
Ancestors of Owen ap Maredudd ap Tudur
Abt 1400 - 1461 (~ 61 years) ┌── Gronwy ap Tydyr Hên ap Gronwy (of Penmynydd, Anglesey, Wales -
│ 1331 bur.Bangor, Gwynedd, Wales) =>
│ 1331 bur.Bangor, Gwynedd, Wales) =>
┌── Tudur ap Gronwy ( - 1367 Trecasteil, Anglesey, Wales)
│ └── Gwerfyl ferch Madog (of Hendwr in Edeirnion, Merionethshire, Wales - Aft 1293) =>
│
┌── Maredudd ap Tudur ( - Aft 1406)
│ │
│ │ ┌── Thomas ap Llewellyn ab Owain ap Maredudd (of Iscoed, Ceredigion, Wales - 1343) =>
│ └── Margred ferch Thomas (of Iscoed, Ceredigion, Wales - ??)
│ └── Elinor ferch Maredudd
│
Owen ap Maredudd ap Tudur (Abt 1400 - 4 Feb 1461 Hereford, Herefordshire, England)
│
│ ┌── Dafydd Llwyd (of Bwlch y fen, Anglesey, Wales - ??) =>
│ ┌── Dafydd Fychan ap Dafydd Llwyd ap Cynwrig (of Trefeilir in Malltraeth, Anglesey, Wales - ??)
│ │ └── Angharad ferch Gynffydd ap Tydyr
│ │
└── Margred ferch Dafydd Vychan (of Trefeilir in Malltraeth, Anglesey, Wales - ??)
│
│ ┌── Ieuan ap Gruffudd ap Hywel (Abt 1300 of Eifionydd, Caernarvonshire, Wales - ??) =>
└── Nest ferch Ieuan ap Gruffudd (of Eifionydd, Caernarvonshire, Wales - ??)
└── Efa ferch Gruffudd ap Dafydd Goch ap Dafydd ( - Aft 1351) =>