They fought their own father Cronus and the Titans
Zeus, Poseidon, and Hates got in a fight over name calling mostly.
Zeus' siblings are poseidon, hades, demeter, hestia, and hera. You should know that hera is also zeus' wife.
Yes, Zeus and Demeter are brother and sister. Their father was Kronos and their mother was Rhea.
Zeus is the youngest out of all his siblings.
Demeter is Zeus' older sister
Well Zeus defeated Kronos/Cronus and Zeus' siblings are free. The gods (Zeus' siblings) fight the other titans and win. Mount Olympus was not destroyed, but in the book The Last Olympian it is almost destroyed. Mount Olympus is steel here today, but since the Greek gods are not real, they are not on Mount Olympus.
Yes, Zeus has 5 siblings: Poseidon, Hades, Demeter, Hestia, and Hera. Note that Hera is both his sister as well as his wife.
Yes. Athena only has one parent, as she sprung out of Zeus's head. Apollo, Artemis, and Hermes are her siblings born from Zeus and another women. Ares and Hephaestus are her siblings born by Zeus and Hera.
I think that Poseidon's siblings are Zeus and Hades.
Yes
Hera & Zeus
Zeus's parents were Cronus and Rhea. His siblings were Hestia, Demeter, Hera, Hades, and Poseidon.