Alfonso de Aragón
- Born after 1232
- Deceased on March 26, 1260
Parents
- Jacques l d'Aragon, alias Jacques Ier d'Aragon (1208 - 1276), rey de Aragón
- Leonor de Castilla (1202 - 1244)
Family
- Married on March 23, 1260, with Constance de Béarn, alias Constance de Moncade (c. 1245 - 1310), vicomtesse de Marsan