Harald was the son of unknown parents. The date and place of his birth have not been found.
He had two marriages/partners. His first wife was Sigrid Haraldsdotter Gren. They were married, but the date and place have not been found. They had no known children.
His second wife was Ingegerd Laurensdtr Bjälke. They were married, but the date and place have not been found. They had no known children.