Halfdan Frodasson , King of Denmark
Halfdan was born about 0512 in Denmark.

 Sigris Frodasdottir
Sigris was born about 0512 in Denmark.  Sigris is no longer alive.

 Hroar Halfdansson
Hroar was born about 0529 in Denmark.

 Helge Halfdansson King of Denmark
Helge Halfdansson King of was born in 0538 in Denmark.