Rhea brought Zeus to a cave in Crete, where he was raised by Amalthea. Upon reaching adulthood, he masqueraded as Cronus ' cupbearer. Once Zeus had been established as a servant of Cronus, Metis gave him a mixture of mustard and wine which would cause Cronus to vomit up his swallowed children. After freeing his siblings, Zeus led them in rebellion against the Titans.
who was on zeus' side in the titanomachy
his siblings