Question: When did Maria Of Aragon, Lady Of Cameros's husband die?
Sentence (from "Peter of Castile, Lord of Cameros"): Peter of Castile, in Spanish Pedro de Castilla (Valladolid, 1290 – Pinos Puente, 25 June 1319), was an "infante" of Castile, a younger son of King Sancho IV and his wife María de Molina.
Relevant evidence: Yes