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Male William I Deponthieu

William I was born in 0920 in Montrieul, Ponthieu, , France.1   William I's father was Roger De Ponthieu and his mother is Bertha Boulogne.  His paternal grandparents were Herlouin De Ponthieu and Helissende Deramerupt; his maternal grandparents are Unknown and Unknown.  He was an only child.  He died at the age of 45 in 0965 in Ponthieu, Somme, Picardie, France.1 


William I's family with Maud De St Pol

They had a son named Hildouin.

1 Public Member Trees @ Database online.
2 Public Member Trees @ Database online.

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