The Götaland theory (or "Westrogothian School", Swedish Västgötaskolan) is a local patriotic view which challenges established history and archaeology, and which claims that the foundation of Sweden occurred not (as traditionally assumed) in Eastern Sweden, but in the province of Westrogothia (Västergötland).
Several of his sons, born or raised by Ingrid Ylva, would come to hold positions of power when grown: Eskil became lawspeaker in Westrogothia, Karl and Bengt both became bishops of Linköping and Birger became Jarl of Sweden, and later had his son elected king.