Birger Jarl
…Rikissa, then only 11 years old, to Haakon Haakonsson the Young, the eldest son of King Haakon IV of Norway. On King Erik's death in 1250, Birger's son Valdemar was elected the new king while Birger acted as regent, holding the true power in Sweden until his death. In 1252, a year after another victory over the…