of Friesland, Count Gerolf
850 - 889 (39 years)(
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- 1 of Friesland, Count Gerolf [1] b. 850 d. 4 Aug 889
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- 2 of Friesland, Count Dietrich I [1.1] b. 870 d. 959
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- 3 of Friesland, Dietrich II [1.1.1] d. 6 May 988
- van Vlaanderen, Hildegard b. 934 d. 10 Apr 990
- 4 of Holland, Arnulf [1.1.1.1] b. 952 d. 18 Sep 993
[ =>]
- 4 of Holland, Arnulf [1.1.1.1]
- 3 of Friesland, Dietrich II [1.1.1]
- 2 of Friesland, Count Dietrich I [1.1]