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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 Hermengarde CAROLINGIANS.  His paternal grandparents were Engilbert II D'ALTDORF and Berthe D'ALEMANIE.  He was an only child.  He died in Bavaria.


Welf I von's family with Engilwich Hedwig  WITTELSBACH

They had a daughter named Judith Andech von.