Several hypotheses have been advanced regarding Helena's or Maer's ancestry. Blot-Sweyn has tentatively been identified with a Sweyn known from Ingvar Vittfarne's Saga (14th century).
Several theories have been proposed about Helena's or Maer's lineage. Blot-Sweyn has provisionally been linked to a Sweyn mentioned in Ingvar Vittfarne's Saga (14th century).