 Complete the following phrase:  Unlike the Burgundians, Siegfried cannot be firmly identified with a historical figure. He may have his origins in the Merovingian dynasty, where names beginning with the element Sigi- were common and where there was also a famous and violent queen Brunhilda 543613. The feud between this historical Brunhilda and the rival queen Fredegund may have provided the origin of the feud between Brünhild and Kriemhild. The name Siegfried itself is a relatively recent one, only being attested from the seventh century onward, meaning that the original name may have been equivalent to the Old Norse Sigurd. Scholars such as Otto Höfler have speculated that Siegfried and his slaying of the dragon may be a mythologized reflection of Arminius and his defeat of the Roman legions in the 