1) English heroic legend 
Sinfjötli (in Old Norse) or Fitela (in Old English) in Norse mythology was born out of the incestuous relationship between Sigmund and his sister Signy. He had the half-brothers Sigurd, Helgi Hundingsbane and Hamund. In Beowulf, Fitela is the nephew of Sigmund, whereas the Völsunga saga describes him as both Sigmund`s son and nephew due to ince....