 By his father's will he got, by way of appanage, the Duchy of Södermanland, which included the provinces of Närke and Värmland; but he did not come into actual possession of them till after the fall of Eric and the succession to the throne of John in 1568.Both Charles and one of his predecessors, Eric XIV (1560–68), took their regnal numbers according to a fictitious history of Sweden.He was actually the third Swedish king called Charles.