Yes, Poseidon does have family members, Zeus and Hades are his brothers.
Pegasus's (mythical) family included, sister Gorgon, mother Medusa, and father Poseidon.
Poseidon did get along with his family, but something he would fight with Hades and Zeus. ( Hades, Zeus, and Poseidon are considered the main three brothers.)
Poseidon's sphere of influence is primarily the sea, oceans, rivers, and other bodies of water. He is also associated with earthquakes, horses and horse racing, and as the god of sea storms and shipwrecks.
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.
yes he had a lot of family members. he had 20 family members
poseidon is their father
No, but they are family, and families do fight.
They are brothers.
kronos,poseidon,hades
Poseidon's duties are to protect all aquatic creatures, the seas, and to protect his family (An educated guess)
Yes, Poseidon married nereu's daughter, the sae-nymph amphitrite.