Nielsen Hayden genealogy
Family: Gwion Sais ap Heilin ap Llywarch ap Gwyn / (F15930)
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Male
Gwion Sais ap Heilin ap Llywarch ap Gwyn
Birth Abt 1170 Death Burial Marriage Father Heilin ap Llywarch ap Gwyn ap Tewdwr Mawr | F15931 Group Sheet Mother
Female
+ (Unknown daughter of Gwion Sais)
Birth Death Burial Spouse Owain ap Gruffudd ab Yr Arglwydd Rhys | F15928 Marriage