Board Thread:Percy Jackson & the Olympians/@comment-26911440-20180929002903/@comment-37086360-20181003094119

Zeus:Athena,Hera,Artemis,Hermes( if he wouldn't have known his son is the lightning thief ) Dionysus

Posiedon:Ares,Aphrodite,Haphaestus,Apollo,Demeter

Hades would've been neutral or would've sided with Posiedon to gain revenge on Zeus for kicking him out of the Olympian Council Hestia would've remained neutral.