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Female Irmentrude Thiedrada von Nagolzau de ALEMANNI Click to view Irmentrude Thiedrada von Nagolzau de ALEMANNI in the family tree

Irmentrude Thiedrada von Nagolzau de was born about 0750 in Nagolzau, Alemanni Territory, (Swabia, germany).  She died after 0776.

Irmentrude Thiedrada von Nagolzau de's family with Welf Isanbart von ALTDORF, Count in THURGAU

They had a son named Guelph I (Welf) Duke of.