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Male Guillaume I de Béthune Click to view Guillaume I de Béthune in the family tree

Guillaume I de was born about 1100.  Guillaume I de's father was Robert IV Comte de Bethune and his mother was Alix de Péronne-Senlis.  His paternal grandfather was Robert III Comte de Bethune; his maternal grandfather was Robert II de Péronne.  He was an only child.  He died in 1144.



Guillaume I de's family with Clémence d' Oisy

‌Guillaume I de and Clémence d' were married in a religious ceremony in 1129.1   They had a son and a daughter, named Robert V de and Mathilde de.

1 Web site, Url: http://pauillac.inria.fr/~ddr/gene.en.html

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