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Family book of
Gertrude
von Northeim
Pfalzgräfin Heiress of Friesland
Individual
Gertrude
von Northeim
Pfalzgräfin Heiress of Friesland
,
–
1165
Generations
2
3
4
5
Descendant generations
2
3
4
5
6
7
8
9
10
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