Probably not, since it was made after WWII (according to Rick Riordan, I hope that's what you're talking about).
The competition between Zeus, Poseidon and Hades was for who got to be the lord of the sky (Zeus) who got the sea (Poseidon) and the underworld (Hades)
The "Big Three", or Zeus, Poseidon, and Hades were not supposed to have children.
Zeus, Poseidon and Hades divided the world between them, and this is what Hades got.
Poseidon is older but he respects Zeus and hades
the mother of Zeus,Poseidon and Hades is gaia
Poseidon did not hate his brothers Hades and Zeus.
where were Zeus, Poseidon and Hades born
Zeus and Poseidon won, Hades was sent to hell as a punishment.
I think that Poseidon's siblings are Zeus and Hades.
The father of Zeus, Poseidon, and Hades is the titan, Cronus.
They were Zeus, Poseidon, Hades, Hestia, Hera, and Demeter.
Zeus got the earth, Poseidon the sea, and Hades the underworld.