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Male Guillaume IV de THIERN Click to view Guillaume IV de THIERN in the family tree

Guillaume IV was born in 1280.1   Guillaume IV's father was Guillaume (Guy) VIII de THIERN and his mother was Marguerite de THIERN.  His paternal grandparents were Chatard I de THIERN and Brunessend de COMBORN; his maternal grandparents were Etienne I de THIERN and Alazie de VAULLORE.  He was an only child.  He died after 1301.1 


Guillaume IV's family with Agnes de MAULMONT

They had a daughter named Bruinssende.

1 Mike1.ged

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