Nielsen Hayden genealogy
Family: Iorwerth Drwyndwn ap Owain Gwynedd / Margred ferch Madog (F993)
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Male
Iorwerth Drwyndwn ap Owain Gwynedd
Birth Death Abt 1174 Burial Marriage Father Owain Gwynedd, King of Gwynedd | F1660 Group Sheet Mother Gwladus ferch Llywarch | F1660 Group Sheet
Female
Margred ferch Madog
Birth Death Burial Father Madog ap Maredudd, Prince of Powys Fadog | F17628 Group Sheet Mother (Unknown wife or mistress of Madog ap Maredudd) | F17628 Group Sheet
Male
+ Llywelyn Fawr ap Iorwerth
Birth Abt 1173 Death 11 Apr 1240 Aberconwy Abbey, Conwy, Wales Burial Aberconwy Abbey, Conwy, Wales Spouse (One of the several mistresses of Llywelyn ap Iorwerth) | F1936 Marriage Spouse Tangwystl | F2104 Marriage Spouse Joan of England | F2856 Marriage Bef 23 Mar 1205 Spouse Eve Fitzwarine | F8310 Marriage 1239