Nielsen Hayden genealogy
Descendants of Owain ap Hywel Dda, King of Deheubarth
![Male](img/tng_male.gif)
Father: Hywell Dda ap Cadell, King of South Wales
(Abt 875 - 950)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Mother: Elen ferch Llywarch
( - 929)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
Owain ap Hywel Dda, King of Deheubarth ( - 988)
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   │        └─ Tewdwr Mawr ap Cadell ab Einion ab Owain
(Abt 1000 - ??) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
   │         +
   
![Collapse](img/tng_minus.gif)
        :   ├─ Bleddyn ap Cynfyn, King of Gwynedd & Powys
( - 1075) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
        :    +
           └─ Gruffydd ap Llywelyn, King of Wales
( - 5 Aug 1064 Ireland) =>
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)
            + Ealdgyth of Mercia, Queen Consort of England
( - Aft 1066)(m. Abt 1057)
![Locate Person in Chart, Link to Ancestor Chart & Descendant Chart](img/rrtextplus_locate.gif)