Nielsen Hayden genealogy
Family: Cynwrig ap Rhiwallon ap Dingad ap Tudur Trefor / Annes ferch Idnerth Benfras (F17587)
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Male
Cynwrig ap Rhiwallon ap Dingad ap Tudur Trefor
Birth Abt 1100 of Maelor Gymraeg, Wales 
Death Burial Marriage Father Mother
Female
Annes ferch Idnerth Benfras
Birth Death Burial Father Idnerth Benfras | F17588 Group Sheet Mother Efa ferch Cadwgon Fychan | F17588 Group Sheet
Male
+ Hwfa ap Cynwrig ap Rhiwallon ap Dingad ap Tudur Trefor
Birth Abt 1130 Death Burial Spouse Gwenllian ferch Owain Gwynedd | F17585 Marriage