question: When is Afonso Of Portugal, Lord Of Portalegre's wife's birthday?
context: [["Urraca of Portugal", ["Urraca of Portugal(( Coimbra, 1148 \u2013 Wamba, Valladolid, 1211) was an infanta of Portugal, daughter of Afonso Henriques, the first king of Portugal, and his wife, Queen Maud of Savoy.", "She was queen consort of Le\u00f3n as the wife of King Ferdinand II and the mother of Alfonso IX."]], ["Joanna, Princess of Portugal", ["Joan of Portugal (6 February 1452 \u2013 12 May 1490) was a Portuguese saint, regent and princess of the House of Aviz, daughter of King Afonso V of Portugal and his first wife Isabella of Coimbra."]], ["Sancho Nunes de Barbosa", ["Sancho Nunes de Barbosa, Lord of Celanova( 1070- 1130) was a Portuguese nobleman.", "He was the son of Nu\u00f1o Guti\u00e9rrez, Count of Celanova, and Sancha Gomes.", "He was married twice first with Sancha Henriques, daughter of Henry, Count of Portugal.", "His second marriage was to Teresa Afonso, possible daughter of Afonso I of Portugal."]], ["Diogo, Constable of Portugal", ["Diogo of Portugal( 1425\u20131443) was a Portuguese royal prince, who briefly served as Constable of Portugal and Master of the Order of Santiago.", "Diogo was the eldest son of John, Lord of Reguengos de Monsaraz, Infante of Portugal, and of his wife( and niece) Isabella of Barcelos.", "Through his father, Diogo was the grandson of King John I of Portugal and through his mother, the grandson of Afonso of Barcelos( future first duke of Braganza).", "John of Reguengos had been the master of the Order of Santiago since 1418 and Constable of Portugal since 1431.", "Upon John's premature death in October 1442, the Portuguese regent, Peter of Coimbra decided to appoint John's son Diogo as the new Constable of Portugal.", "Diogo was elected on 24 January 1443, as 11th Master of the Order of Santiago.", "Diogo died a few days later, without issue.", "Peter appointed his own son, also named Peter, to succeed him as constable.", "These appointments were contested by Diogo's half- uncle( and grandfather), Afonso, Count of Barcelos.", "Afonso had married the daughter of the late beatified constable Nuno \u00c1lvares Pereira, and believed their son, Afonso of Ourem, had superior rights to succeed as Constable of Portugal.", "Peter of Coimbra challenged Barcelos and Ourem to provide documentary proof of the legitimacy of this lineage( which they were unable to produce).", "Peter of Coimbra attempted to mollify them by creating the title of Duke of Braganza, and investing it in Afonso of Barcelos.", "However, this failed to heal the breach between Peter and Afonso, which would only grow with time."]], ["Beatriz, Duchess of Viseu", ["Infanta Beatriz of Portugal( 13 June 1430 \u2013 30 September 1506) was a Portuguese infanta, daughter of John, Constable of Portugal( fourth son of King John I of Portugal and his wife Philippa of Lancaster) and Isabella of Barcelos a daughter of Afonso I, Duke of Braganza."]], ["Jo\u00e3o de Melo", ["Jo\u00e3o de Melo( 1405- 1486) was a Portuguese nobleman, alcaide- mor of Serpa, and copeiro-mor( Master of the Ceremonies) of Afonso V of Portugal."]], ["Isabel of Coimbra", ["Infanta Isabel of Coimbra( Isabella of Portugal)", "( 1 March 1432 \u2013 2 December 1455) was a Portuguese infanta and a queen consort of Portugal as the first spouse of King Afonso V of Portugal."]], ["Afonso of Portugal, Lord of Leiria", ["Afonso of Portugal( c. 1288 \u2013 Lisbon, c. 1300;; or\" Alphonse\") was a Portuguese noble, son of Afonso of Portugal, Lord of Portalegre and his wife Violante Manuel.", "He was granted the title of Lord of Leiria.", "Afonso of Portugal died in 1300 when he was about twelve years of age without having married and without leaving any offspring."]], ["Afonso of Portugal, Lord of Portalegre", ["Infante Afonso of Portugal (8 February 1263, in Lisbon \u2013 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, Marv\u00e3o and Lourinh\u00e3.", "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."]], ["Violante Manuel", ["Violante Manuel of Castile (c. 1265 \u2013 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, Medell\u00edn and half of Pe\u00f1afiel in her own right."]]]
supporting_facts: [["Afonso of Portugal, Lord of Portalegre", 2], ["Violante Manuel", 0]]
evidences: [["Afonso of Portugal", "spouse", "Violante Manuel"], ["Violante Manuel", "date of birth", "1265"]]
answer: 1265