Descent of
Show Gertrude de Walbeck's parentsShow Gertrude de Walbeck's parents
Thierry Ier de Haldensleben
(0929-24/12/0985)
 united to
Gertrude de Walbeck
(0930-)

Bernard Ier de Nordmark (0960-14/12/1018) Show this unionShow this union Wladimirovna de Kiev (0975-) Show their descendants
Oda de Haldensleben (~0942-) Show this unionShow this union Miezko Ier Piast de Pologne (0922-30/05/0992) Show their descendants


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