Count of Ponthieu William, III
Abt 1179 - 1221 (42 years)(
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- 1 Count of Ponthieu William, III [1] b. Abt 1179 d. 4 Oct 1221
- Princess of France Alix Capet b. Abt 1170 d. Abt 1221
- 2 Marie, of Ponthieu [1.1] b. 17 Apr 1199 d. 1251
- Count of Aumale Simon Dammartin b. 1180 d. 1239
- 3 Joanna Dammartin [1.1.1] b. Abt 1218 d. 15 Mar 1278
- King of Castile Ferdinand, III b. 1199 d. 30 May 1252
- 4 Princess of Castile Eleanor [1.1.1.1] b. 1244 d. 28 Nov 1290
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- 4 Princess of Castile Eleanor [1.1.1.1]
- 3 Joanna Dammartin [1.1.1]
- 2 Marie, of Ponthieu [1.1]