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Male Cadwallon ap Gruffydd Click to view Cadwallon ap Gruffydd in the family tree

Cadwallon was born in 1097 in Aberffraw, Anglesey, Wales.1  Cadwallon's father was King of Gwynedd Gruffydd ap Cynan and his mother was Angharad verch Owain.  His paternal grandparents were Prince of North Wales Cynan ap Iago and Rhanullt O'Olaf; his maternal grandparents were Owain (Vradwr, The Traitor) Tegaingl ap Edwin and Merfydd verch Goronwy. He had two brothers and six sisters, named Cadwaladr, Owain, Margred, Rhanullt, Gwenllian, Elen, Merinedd and Susanna.  He was the second youngest of the nine children.  He died at the age of 40 in 1137.2 


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