Nielsen Hayden genealogy
Family: Cadwgon ap Bleddyn ap Cynfyn / Gwenllian ferch Gruffudd (F17607)
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Male
Cadwgon ap Bleddyn ap Cynfyn
Birth Death 1111 Burial Marriage Other Spouse (Unknown wife or mistress of Cadwgon ap Bleddyn) | F17609 Marriage Father Bleddyn ap Cynfyn, King of Gwynedd & Powys | F17611 Group Sheet Mother (Unknown fourth wife of Bleddyn ap Cynfyn) | F17611 Group Sheet
Female
Gwenllian ferch Gruffudd
Birth Death Burial Father Gruffydd ap Cynan ab Iago, King of Gwynedd | F17608 Group Sheet Mother (Unknown wife or mistress of Gruffudd ap Cynan) | F17608 Group Sheet
Male
+ Madog ap Cadwgon ap Bleddyn ap Cynfyn
Birth Death Burial Spouse Jane ferch Cynwrig | F17606 Marriage