- Born circa 1245
- Deceased in 1310, at the approximate age of 64 years
Parents
- Gaston de Béarn (c. 1225 - 1290), comte de Moncade
- Mathe de Matha, alias Mathe de Bigorre (c. 1225 - 1272), vicomtesse de Marsan
Family
- Married on March 23, 1260, with Alfonso de Aragón (aft. 1232 - 1260)
- Married on May 15, 1269 in Windsor, with Henry Plantagenêt, alias Henry d'Almayne (1235 - 1271)
- Married on July 6, 1279 in Paris, with Aymon de Genève (bef. 1250 - 1280), comte de Genève