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.
Manuel I of Kibangu
Manuel Afonso Nzinga a Nlenke was a ruler of Kibangu and was one of the two main Kinlaza claimants to the throne of the Kingdom of Kongo during its civil war, the other being the King of Lemba. He ruled the Kingdom of Kibangu from 1685 to 1688.