Poseidon is a ancinet Greek god, the son of Rhea and Cronus and the brother of Hades, Zeus, Hestia, Hera, and Demeter.
Poseidon is the god of earthquakes. No goddess has this responsibility.
The goddess Athena
Poseidon is King of the Sea. No god or goddess ruled him in his domain.
if this is what ur asking poseidon's wife amphitrite queen of the sea.
There is an older god of the sea: Nereus, who was replaced by the Olympian god, Poseidon. So there is no goddess of the sea. Amphitrite is the wife of Poseidon. She is then the sea goddess.
Amphitrite was the goddess of the sea, married to Poseidon, god of the sea
Poseidon
Poseidon
Kharybdis is sometimes told to be the daughter of Poseidon and Gaea. Antaeus was thier son, and Laistrygon who founded a tribe of man eating giants. By the earth goddess Demeter, Poseidon had the immortal horse Arion and the Mysteries goddess Despoena.
Poseidon had a favorite city, Athens. As you may have guested Athens is the Greek goddess' Athena, goddess of wisdom. Poseidon and Athena fought for Athens but, in the end Zeus gave it to Athena.
Poseidon is similar to the Roman god Neptune.
Athena, goddess of wisdom and war.