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From Rodovid EN

Lineage	Ponthieu
Sex	Male
Full name (at birth)	Herluines I van Ponthieu
Parents ♀ Richarde [Carolingian] b. 728 ♂ Wautbert van Vienne [Vienne] b. 725

Events

765 birth:

805 child birth: ♂ Helgaud II de Boulogne [Boulogne] b. 805 d. 863

From grandparents to grandchildren