question: When is Afonso Of Portugal, Lord Of Portalegre's wife's birthday?
context: Title: Afonso of Portugal, Lord of Portalegre
  Passage: Infante Afonso of Portugal (8 February 1263, in Lisbon – 2 November 1312, in Lisbon; ; or "Alphonse") was a Portuguese "infante" (prince), son of King Afonso III of Portugal and his second wife Beatrice of Castile. He was titled Lord of Portalegre, Castelo de Vide, Arronches, Marvão and Lourinhã. Afonso was born on 8 February 1263 and in 1287 married Violante Manuel, daughter of Castilian" Infante" Manuel of Castile. Afonso died on 2 November 1312 in Lisbon.
  Title: Violante Manuel
  Passage: Violante Manuel of Castile (c. 1265 – Lisbon, 1314) was a Castilian noble, daughter of Manuel of Castile and his first wife Constance of Aragon. She was Lady of Elche, Elda, Novelda, Medellín and half of Peñafiel in her own right.
answer: 1265
citations: Afonso of Portugal, Lord of Portalegre Violante Manuel