1) Christian Frederik of Oldenburg Born on 29th May 1628, as the youngest son of King Christian IV of Denmark and his morganatic wife, Kristen Munk, Christian was decided to eventually succeed Anton Günther, the heirless Count of Oldenburg, who is a kin of the Danish royal line. Nonetheless, upon his mother's insistence, Christian was kept in Copenhagen, raised by his mother herself, especially as Christian IV aged. Titled Christian, Duke of Schleswig at birth and raised as a

1) Gustav Karl Vasa Born on May 29th 1628, Gustav is the second child and only son of King Gustav II Adolf the Great of Sweden, and Queen Maria Eleonora. Titled Crown Prince and Duke of Öland at birth, Gustav lived through his infancy and early childhood mainly under the care of his mother. Nonetheless, despite the busy warfare, Gustav II Adolf remained a devoted father to him and his elder sister, Kristina. As Gustav II Adolf was martyred in the Battle of Lützen in November