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Male Udo van Hammerstein Click to view Udo van Hammerstein in the family tree

Udo was born about 0968 in Hammerstein, (Now Czarne), Koszalin, Poland.  Udo's father was Count Heribert of Wettergau & Gleiberg and his mother is Ermentrude von Avalgau.  His paternal grandparents were Count Udo I of Wetterau and Kunigunde de Vermandois; his maternal grandparents were Count Megingoz of Avalgau and Gerberge von Lothringen. He had a brother and two sisters, named Gerard, Ermentrude and Ermentrude.  He was the second youngest of the four children.  He died on June 5th, 1036.


Udo's family with Irmgard of Verdun

‌Udo and Irmgard were married in a religious ceremony in Hammerstein, (Now Czarne), Koszalin, Poland.  They had a daughter named Irmentrud.

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