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Male Markgraf Udalrich I of Istria Click to view Markgraf Udalrich I of Istria in the family tree

Udalrich I of Istria's father was Poppo I of Weimar and his mother was Azzica Hadamut of Friuli.  His paternal grandparents were Graf Wilhelm II of Weimar and Oda of Lausatia; his maternal grandparents were Graf Werigaud of Friuli and Wilibirg of Ebersburg. He had a half-sister named Bertha of Maurienne.


Udalrich I of Istria's family with Prcs Sofia of Hungary


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