Nielsen Hayden genealogy
Descendants of Llywelyn ap Gruffudd ap Gwenwynwyn
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Father: Gruffydd ap Gwenwynwyn
( - Aft 17 Feb 1286)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Mother: Hawise le Strange
( - 1310)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Llywelyn ap Gruffudd ap Gwenwynwyn ( - Bef 29 Jun 1295)
       └─ Gwerfyl ferch Madog
(of Hendwr in Edeirnion, Merionethshire, Wales - Aft 1293)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
       
Gronwy ap Tydyr HĂȘn ap Gronwy
(of Penmynydd, Anglesey, Wales - 1331 bur.Bangor, Gwynedd, Wales)
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![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
           └─ Tudur ap Gronwy
( - 1367 Trecasteil, Anglesey, Wales) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
            + Margred ferch Thomas
(of Iscoed, Ceredigion, Wales - ??)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)