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Male Guelph I (Welf) Altdorf Click to view Guelph I (Welf) Altdorf in the family tree

Guelph I (Welf) was born in 0778.  Guelph I (Welf)'s father was Isembert Altdorf and his mother was Irmintrudis Swabia.  His paternal grandparents were Narinus Swabia and Ara Swabia; his maternal grandparents were Gerold Allemania I and Emma Allemania.  He was an only child.  He died at the age of 41 in 0819.

Family Details of Guelph I (Welf)'s family with Hedwig Eigilwich Chelles

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