Joan of Castro

Juana de Castro (died 21 August 1374) was queen consort of the Kingdom of Castile, as the third wife of King Peter of Castile. Biography She was the born into the House of Castro as daughter of Pedro Fernández de Castro and Isabel Ponce de Leon. She was sister to Inês de Castro and Fernando Ruiz de Castro. Among her advisors were her uncle-in-law Enrique Enríquez the Younger and . In 1354, she was a widow of her marriage to Diego López de Haro and met Peter of Castile. He was attracted to her beauty and Sanabria arranged a marriage. Historian argued that Castro agreed to marry Peter out of ambition rather than love. As told the chronicler Pero López de Ayala: Castro demanded Peter to nullify his marriage with Blanche of Bourbon; he complied and had bishops and carry out the act.