Nielsen Hayden genealogy
Bernard I

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- 1 Bernard I [1] b. Abt 950 d. 9 Feb 1011
Hildegard b. Between 974 and 977 d. 3 Oct 1011
- 2 Bernard II [1.1]
b. Abt 995 d. 29 Jun 1059
Eilika of Schweinfurt b. Abt 1004 d. Aft 1055
- 3 Ordulf of Saxony [1.1.1]
b. Abt 1020 d. 28 Mar 1072
Úfhildr Ólafsdóttir b. Abt 1023 d. 24 May 1070
- 4 Magnus of Saxony [1.1.1.1]
b. Abt 1045 d. 23 Aug 1106 [ =>]
- 4 Magnus of Saxony [1.1.1.1]
- 3 Gertrude of Saxony [1.1.2]
b. Abt 1030 d. 4 Aug 1113
Floris I b. Abt 1017 d. 28 Jun 1061
- 4 Dirk V [1.1.2.1]
b. Abt 1053 d. 17 Jan 1091 [ =>]
- 4 Bertha of Holland, Queen Consort of France [1.1.2.2]
b. Abt 1055 d. 30 Jul 1093 [ =>]
- 4 Dirk V [1.1.2.1]
Robert I "The Frisian" b. Abt 1035 d. 3 Oct 1093
- 4 Adele of Flanders [1.1.2.3]
b. Between 1064 and 1065 d. Apr 1115 [ =>]
- 4 Gertrude of Flanders [1.1.2.4]
b. Abt 1070 d. 1117 [ =>]
- 4 Adele of Flanders [1.1.2.3]
- 3 Ordulf of Saxony [1.1.1]
- 2 Bernard II [1.1]