Nielsen Hayden genealogy
Family: Madog ap Maredudd, Prince of Powys Fadog / (Unknown wife or mistress of Madog ap Maredudd) (F17628)
-
Male
Madog ap Maredudd, Prince of Powys Fadog
Birth Death 1160 Winchester, Hampshire, England 
Burial St. Tysilio, Meifod, Powys, Wales Marriage Other Spouse Susanna ferch Gruffydd ap Cynan | F4086 Marriage Father Maredudd ap Bleddyn ap Cynfyn | F3345 Group Sheet Mother Hunydd ferch Einudd | F3345 Group Sheet
Female
Gwenllian ferch Madog
Birth Death 1160 Burial Spouse Rhys ap Gruffydd, King of Deheubarth | F15911 Marriage
Male
Owain Brogyntyn ap Madog ap Maredudd ap Bleddyn, King of Powys
Birth Death Burial Spouse Margred ferch Einion ap Seissyll | F17627 Marriage
Female
Margred ferch Madog
Birth Death Burial Spouse Iorwerth Drwyndwn ap Owain Gwynedd | F993 Marriage