Which legendary danish King had a clan called Skjöldungs?
Hrólfs saga kraka: Hrólfs saga kraka, the "Saga of King Hrolf Kraki", is a late legendary saga on the adventures of Hrólfr Kraki and his clan, the 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.
Hrólfr Kraki