Aldonza_de_Ivorra--Ferdinand_II_of_Aragon

Aldonza Ruiz de Ivorra (1454–1513) was a Spanish courtier. She was the royal mistress of King Ferdinand II of Aragon, with whom she also had children, among them Alonso de Aragón. She was already the mistress of the king at the time of his marriage in 1468. She was married to a courtier, and attended court officially as the wife of her courtier-husband. She accompanied the king on his travels, often dressed as a man.