Nielsen Hayden genealogy
Family: Tewdwr Mawr ap Cadell ab Einion ab Owain / (F695)
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Father | Male
Tewdwr Mawr ap Cadell ab Einion ab Owain
Born Abt 1000 Died Buried Married Father Cadell ab Einion ab Owain ap Hywel Dda | F4171 Group Sheet Mother Elinor ferch Gwerystan | F4171 Group Sheet
Child 1 | Male
+ Rhys ap Tewdyr, King of Deheubarth
Born Died Apr 1093 Brycheiniog, Wales 
Buried Spouse Gwladus ferch Rhiwallon | F3697 Married Spouse (Unknown wife of Rhys ap Tewdyr) | F15915 Married