Yes, Poseidon forced Demeter to have intercourse with him; he was a stallion and she was a mare.
No, Hera was Poseidon's younger sister.
Hera
No, Poseidon did not hate Hera, they were sister and brother.
No, it is not a rap song.
Hera is the wife of Zeus and sister of Poseidon. Hera is also the sister of Hades. Zeus, Hera, Poseidon and Hades were all siblings.
brother and sister
Poseidon's brothers were Zeus and Hades, and his sisters were Hera, Demeter, and Hestia.
Hades, Demeter, Hestia, Hera and Zeus.
BOB- Airplanes
MEDUSA is the sister of Poseidon who has a headful of snakes and can turn those who look at her into stone.
No, but he did have a affair with Demeter, his sister. With him she had Despoena and Arion.
Poseidon's mother and father were Cronus and Rhea, the titans. They were brother and sister, so naturally they knew each other their whole lives.