Heluna married Sigurd "Snake-Eye" Ragnarsson King of Denmark, son of Ragnarr Loðbrók Sigurdsson and Aslaug Sigurdsdóttir, about 799 in Jutland, Denmark. (Sigurd "Snake-Eye" Ragnarsson was born about 776 in Jutland, Denmark and died in 830 in A Northumberland Snake Pit.)