Valdar
Valdar was the name of several List of [legendary kings of Denmark|legendary Danish kings].
The Hervarar saga tells the tale of a Valdar who was viceroy of Denmark under Ivar Vidfamne and by Ivar's daughter Alfhild he was the father of Randver and of Harald Wartooth who was a legendary king of Denmark and Sweden.
The Skjöldunga saga and Hversu Noregr byggdist tell the tale of a Valdar who succeeded Hrólfr Kraki as King of Scania. This Valdar was the father of Harald the Old.
''Hervarar saga''
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 an extract of the poem Hlöðskviða together with other kings and nations:''Guðrúnarkviða II''
Valdar is named as one of the Danes in Guðrúnarkviða II :In this poem, Valdar is not explicitly identified as a king of the Danes, and the poem earlier mentions Guðrún visiting the "high hall of Hálfr" and staying in Denmark for seven seasons with Þóra, daughter of Hákon. Valdar appears after this, as part of the entourage of Guðrún's brothers Gunnar and Hogni, bringing her gifts to placate her after the death of Sigurðr. This story is also told in section 34 of Volsunga saga, in which the name Valdar is replaced with Valdamar, and Hálfr is explicitly referred to as king of Denmark.