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.
Luís I of Portugal
On 6 October 1862, Luís married Princess Maria Pia of Savoy (16 October 1847 – 5 July 1911), daughter of Victor Emmanuel II of Italy and Maria Adelaide of Austria. They both had a deep love at first, but Luis's countless mistresses led Maria Pia to depression. Together they had two sons who survived childhood, and a stillborn son in 1866. The King also fathered one illegitimate son, also named Carlos, who was born in 1874 in Lisbon.Luís I's official styling as King of Portugal:
"By the Grace of God and by the Constitution of the Monarchy, Luís I, King of Portugal and the Algarves, of either side of the sea in Africa, Lord of Guinea and of Conquest, Navigation, and Commerce of Ethiopia, South Africa etc."