Question: When is Charles Ix Of Sweden's mother's birthday?
Sentence (from "Charles IX of Sweden"): 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.
Relevant evidence: No