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Male Isembert Altdorf Click to view Isembert Altdorf in the family tree Click to view Isembert Altdorf in the family tree in SVG format

Isembert was born in year 0750.  Isembert's father was Narinus Swabia and his mother was Ara Swabia.  His paternal grandparents were Eberhard Alsace and <Unknown>; his.  He was an only child.

Isembert's family with Irmintrudis Swabia

Isembert and Irmintrudis were married in a religious ceremony in year 0777.They had a son named Guelph I (Welf).