They claim descent from the mythological Puranic king Sahasrārjuna.
Belus, another mythological king of Egypt, is a grandson of Epaphus.
Iarbas, a mythological king of Libya, was also considered a son of Hammon.
A mythological king is an archetype in mythology.
A king is considered a "mythological king" if he is included and described in the culture's mythology.
Beowulf for example is a mythological king in training in the epic tradition, because he fights "a strenuous battle against the disorganization of the universe."
(Discusses the different types of mythological kings)
Onnes in legend was one of the generals of the mythological Assyrian king, Ninus.
Fjölnir's descendants are enumerated in Ynglingatal which describes the mythological kings of Sweden.
He was named after the mythological Greek king, Agamemnon.