Infanta Catherine, Duchess of Villena
Member of the House of Trastámara
Infanta Catherine of Castile was suo jure Duchess of Villena and, by marriage, Infanta of Aragon, Countess of Alburquerque and Countess of Ampurias.
Catherine was the second child born to King Henry III of Castile and Catherine of Lancaster. Wikipedia
Born: 1403
Died: 1439 (age 36 years), Zaragoza, Spain
Parents: Catherine of Lancaster and Henry III of Castile
Spouse: Henry, Duke of Villena (m. 1418)
Grandparents: John of Gaunt, Constance of Castile, Duchess of Lancaster, John I of Castile, and more
Great-grandparents: Pedro I of Castile, Henry II of Castile, María de Padilla, and more