King of Sweden (r. 1448–1457; 1464–1465; 1467–1470)
Karl Knutsson Bonde (c. 1408–1470), also known as Charles VIII and called Charles I in Norwegian contexts, was King of Sweden (1448–1457, 1464–1465 and 1467–1470) and King of Norway (1449–1450). Early life. Karl Knutsson Bonde was born in October 1408 or 1409, at Ekholmen Castle, the son of Knut Tordsson (Bonde), knight and member of the privy council (riksråd), and Margareta Karlsdotter (Sparre av Tofta), the only daughter and heiress of Karl Ulfsson, Lord of Tofta. His father Knut was first cousin of Erik Johansson Vasa's father.
https://en.wikipedia.org/wiki/Karl_Knutsson