Nielsen Hayden genealogy
William I Talvas
- 1062( = Descendancy chart to this point, = Expand, = Collapse)
- 1 William I Talvas [1] d. Between 1060 and 1062
- Hildeburg
- 2 Mabel de Bellême [1.1] d. Dec 1077
- Roger de Montgomery d. 27 Jul 1094
- 3 Maud de Montgomery [1.1.1] d. Between 1082 and 1084
- Robert de Mortain b. Abt 1031 d. 8 Dec 1090
- 4 Agnes de Mortain [1.1.1.1] [ =>]
- 4 Emma of Mortain [1.1.1.2] d. Aft 1134 [ =>]
- Robert de Mortain b. Abt 1031 d. 8 Dec 1090
- 3 Sibyl de Montgomery [1.1.2] d. Aft 1107
- Robert fitz Hamon d. Mar 1107
- 4 Mabel fitz Robert [1.1.2.1] d. 29 Sep 1157 [ =>]
- Robert fitz Hamon d. Mar 1107
- 3 Roger "the Poitevin" de Montgomery [1.1.3] d. 1123
- Almodis d. Abt 1117
- 4 Pontia de la Marche [1.1.3.1] [ =>]
- Almodis d. Abt 1117
- 3 Robert II de Bellême [1.1.4] b. 1057 d. Aft 1129
- Agnes de Ponthieu d. Aft 1100
- 4 Guillaume III Talvas [1.1.4.1] b. Abt 1093 d. 30 Jun 1171 [ =>]
- Agnes de Ponthieu d. Aft 1100
- 3 Maud de Montgomery [1.1.1] d. Between 1082 and 1084
- Roger de Montgomery d. 27 Jul 1094
- 2 Mabel de Bellême [1.1] d. Dec 1077
- Hildeburg