Nielsen Hayden genealogy
Descendants of Ithel Fychan ab Ithel Gam ap Hen Ithel Gam ap Maredudd
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Father: Ithel Gam ap Hen Ithel Gam ap Maredudd ab Uchtrud
( - Aft 1237)
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Ithel Fychan ab Ithel Gam ap Hen Ithel Gam ap Maredudd (Abt 1230 - ??)
   └─ Angharad ferch Ithel Fychan ab Ithel Gam ap Hen Ithel Gam ap Maredudd ab Uchdrud ab Edwin
(of Tegeingl,
    Wales - ??)
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    Wales - ??)
       └─ Gronwy ap Tydyr HĂȘn ap Gronwy
(of Penmynydd, Anglesey, Wales - 1331 bur.Bangor, Gwynedd, Wales)
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Gwerfyl ferch Madog
(of Hendwr in Edeirnion, Merionethshire, Wales - Aft 1293)
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           └─ Tudur ap Gronwy
( - 1367 Trecasteil, Anglesey, Wales) =>
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            + Margred ferch Thomas
(of Iscoed, Ceredigion, Wales - ??)
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