Geryon

Apollodorus 2.4.2
Chrysaor, father of Geryon;

Apollodorus 2.5.10
Geryon was the son of Chrysaor and Callirrhoe; Callirrhoe was a daughter of Ocean.

Hesiod, Theogony  287-288
Geryones, child of Chrysaor and Callirrhoe, daughter of Ocean;

Hesiod, Theogony  979-982
Geryones, son of Chrysaor and Callirrhoe, daughter of Ocean;