Guigues III De Vion Sire 
Guigues III's father was Domnus Guigues II De Vion Sire and his mother was Wandelmode Of Italy. His paternal grandfather is Guigues I D Annonay Seigneur; his maternal grandfather is Hugh King Of Of Promme. He is an only child.
He had a biological son named Guigues IV.
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