Nielsen Hayden genealogy
Family: Maredudd ap Bleddyn ap Cynfyn / Hunydd ferch Einudd (F3345)
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Male
Maredudd ap Bleddyn ap Cynfyn
Birth of Powys, Wales 
Death 1132 Burial Marriage Father Bleddyn ap Cynfyn, King of Gwynedd & Powys | F979 Group Sheet Mother Haer ferch Cillin | F979 Group Sheet
Female
Hunydd ferch Einudd
Birth Death Burial Father Einudd ap Morien ap Morgeneu ab Elystan ap Gwaithfoed | F4035 Group Sheet Mother
Male
Madog ap Maredudd, Prince of Powys Fadog
Birth Death 1160 Winchester, Hampshire, England Burial St. Tysilio, Meifod, Powys, Wales Spouse Susanna ferch Gruffydd ap Cynan | F4086 Marriage Spouse (Unknown wife or mistress of Madog ap Maredudd) | F17628 Marriage