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Male Graf Jacob van Clermont Click to view Graf Jacob van Clermont in the family tree

Jacob's father was Diederik de Walcourt III and his mother was Gerberga de Montaigu.  His maternal grandparents were Comte Gottfried de Montaigu and Juliana von Duras-Loos. He had a brother named Diederik.  He died in 1234.1 

Family Details of Jacob's family with Sibille

1 {Bill Delker's Rootsweb GEDCOM}
Further source/citation:
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=stobie&id=I335749

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