Count/Ponthieu William I of Ponthieu Count/Ponthieu 
William I's father was Count of Montreu Roger of Ponthieu Count of Montreu. He had a brother named Hugh. He died about 0965.General Notes
GEDCOM line 52870 not recognizable or too long:
() 2 GIVN William I
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() 2 SURN of Ponthieu
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() 2 NSFX Count/Ponthieu
Stuart's "Royalty for Commoners" (242:38), citing Turton's "Plantaganet
Ancestry", table 105. His parents are not given.
He is given in Hist Couronne V III p 197 as possibly son of NOtgard or Roger
Count of Montreuil, living 957.
http://www.gendex.com/users/Enf_Bry/Enf_Bry/i661.html#I23377 :
Count of Montreuil; 3rd)
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