HELGI,
Helgi appears to be the son of Sigmund and Borghild, and only fifteen years old he avenges his father by slaying Hunding, the king of the Saxons. This gives him the cognomen Hunding's bane.
He continues with his warlike feats and one day, as he stands aboard his longship, he is visited by a valkyrie named Sigrún, who can ride through the air and over the sea and who knows well about his feats. She embraces him and kisses him, and he immediately falls in love with her.