Valdemar or Waldemar was King of Sweden from 1250 to 1275. Wikipedia
Born: 1239
Died: December 26, 1302 (age 63 years), Nyköping, Sweden
Grandchildren: Elizabeth Richeza of Poland, Valdemar Eriksson, Gerhard IV, Count of Holstein-Plön, and more
Children: Erik Valdemarsson, Richeza of Sweden, Duchess of Poland, Ingeborg of Sweden, and more
Siblings: Magnus III of Sweden
Parents: Birger Jarl and Ingeborg Eriksdotter of Sweden
Spouse: Sophia of Denmark (m. 1260)