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Male Welf I von ALTDORF Click to view Welf I von ALTDORF in the family tree

Welf I von was born in 0778 in Altdorf, uri Canton, Switzerland.  Welf I von's father was Isembart II D' ALTDORF and his mother was Berthe D' ALEMANIE.  His paternal grandfather was Isembart I  D' ALTDORF; his maternal grandparents were Huoching D' ALEMANIE and Berthe de NEUSTRIA.  He was an only child.  He died in Bavaria, Schwaben, Germany.


Welf I von's family with Engilwich Hedwig WITTELSBACH

They had a daughter named Judith Andech von.