Manuel I of Portugal
Manuel's mother was the granddaughter of King John I of Portugal, whereas his father was the second surviving son of King Edward of Portugal and the younger brother of King Afonso V of Portugal. In 1495, Manuel succeeded his first cousin, King John II of Portugal, who was also his brother-in-law, as husband to Manuel's sister, Eleanor of Viseu.
Maria of Portugal, Marchioness of Tortosa
Maria of Portugal (Évora, Kingdom of Portugal, 6 April 1342 – Aveiro, Kingdom of Portugal, after 1375; ) was a Portuguese "infanta" (princess), first daughter of King Peter I of Portugal and his Queen consort Constanza Manuel.