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Male Graf Isenbrand von Altdorf-Welfen Click to view Graf Isenbrand von Altdorf-Welfen in the family tree

Isenbrand was born in 0745 in Altorf, Schwaben, Bayern.  Isenbrand's father was Graf Warin von Altdorf-Welfen and his mother was Adellinde di Spoletto.  His paternal grandfather was Duke Eberhard I of Alsace and his paternal grandmother is Ermengarde; his maternal grandfather was Duke Hildebrande of Spoleto and his maternal grandmother is Regarde von Bayern of Tyrol.  He was an only child.  He died at the age of 55 in 0800.


Isenbrand's family with Irmentrudis von Schwaben

‌Isenbrand and Irmentrudis were married in a religious ceremony about 0776.  They had a daughter named Judith.

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