| Gaston VII de Béarn Vicomte of Béarn, Lord of etc. |
|
| Matha (or Mata) de Matha |
| Alfonso of Aragón Infante of Aragón | Constance de Béarn Countess of Bigore, Vicomtesse of Marsan |
| b. d. bef 25 Mar 1260 bur. occ. cen. im. . ud. |
b. d. 25 Apr 1310, Testate bur. occ. cen. im. . ud. |
| Spouses: 1, 2, 3 |