Who is Poseidon's family?

Poseidon, like most gods and goddesses, had a big family. Poseidon is son of Rhea and Cronus. He is brother to Hades, Zeus, Hestia, Hera, and Demeter. Poseidon's most known son is Triton. He had Triton with his wife Amphitrite. Poseidon is related to just about all Olympians, since most of them are children to his brothers and sisters.