It is unknown.
One of the Seven Sister (Pleiads) Merope married Sisyphus (or Sophos, "very wise").
No, Sisyphus was the son of the mortals Aeolus and Enarete.
The Myth of Sisyphus was created in 1942.
Sisyphus was not immortal, but a mortal king of Ephyra.
Its sisyphus, both greek and roman
Sisyphus was not worshipped; he was not a ancient Greek god.
Sisyphus betrayed Zeus to Asopus.
Yes, Sisyphus was the mortal son of Aeolus and Enerete.
Sisyphus's belief that he was cleaver than Zeus. Which is why he was punished in the Underworld.
Sisyphus was a king of Ephyrain ancinet Greece, a figure in Greek myths.
Autolycus, the grandfather of Odysseus, is said to have stolen cattle from Sisyphus. Sisyphus discovered the theft and placed identifying marks on the cows to prove their ownership.