Which legendary danish King had a clan called Skjöldungs?
Hrólfr Kraki Hrólfr Kraki, "Hroðulf", "Rolfo", "Roluo", "Rolf Krage" (early 6th century) was a legendary Danish king who appears in both Anglo-Saxon and Scandinavian tradition. His name would in his own language (Proto-Norse) have been *"Hrōþiwulfaz" (famous wolf).
Gunther Gunther (Gundahar, Gundahari, Latin "Gundaharius", "Gundicharius", or "Guntharius", Old English "Gūðhere", Old Norse "Gunnarr", anglicised as "Gunnar", d. 437) was a historical King of Burgundy in the early 5th century. Legendary tales about him appear in Latin, medieval Middle High German, Old Norse, and Old English texts, especially concerning his relations with Siegfried (Sigurd in Old Norse) and his death by treachery in the hall of Attila the Hun.