Olof Skötkonung's mother appeared in what line of sagas?
Olof Skötkonung: Olof Skötkonung (c. 980–1022) was King of Sweden, son of Eric the Victorious and, according to Icelandic sources, Sigrid the Haughty. Sigrid the Haughty:  The figure of Sigrid appears mainly in late Icelandic sagas, while more contemporary sources such as Thietmar of Merseburg and Adam of Bremen instead claim that Sweyn was married to a Polish princess, identified as Świętosława.
Icelandic