| John I "Lackland" Plantagenet of England King of England (1166 - 1216) |
Simon de Dammartin C. of Ponthieu, Montreuil & Aumale (~1180 - 1239) |
| Isabel of Angoulême Countess of Valance, de Taillefer (~1188 - 1246) |
Marie of Ponthieu Css. of Ponthieu & Montreuil (~1196 - 1251) |
| Henry III Plantagenet of England King of England | Jeanne (or Juana) de Dammartin Countess of Ponthieu, etc. |
| b. 1 Oct 1207, Winchester, Hampshire, England d. 16 Nov 1272, Bury St. Edmonds, Suffolk, England bur. 20 Nov 1272, Westminster Abbey, Westminster, Middlesex, England occ. cen. im. . ud. 1292, Heart delivered to Abbess of Fontrevault |
b. abt 1220 d. 15 Mar 1278/1279 bur. Valoirs Abbey, France occ. cen. im. . ud. |
| Spouses: 1, 2 | Spouses: 1, 2, 3 |