The Hervarar saga tells that Ivar Vidfamne made Valdar the viceroy of Denmark and gave him his daughter Alfhild. When Valdar died, his son Randver became the king of Denmark, while his son Harald Wartooth became the king of Götaland or Gotland. In the Hervarar saga, the name Valdar also appears in a poem together with other kings and nations:
