Who are Cronus and Rhea's grandchildren?

A. Hermes, Apollo, Hera, Ares and Poseidon
B. Demeter, Hades, Poseidon, Hephaestus and Hera
C. Ares, Aphrodite, Hephaestus, Artemis, Athene and Hera
D. Artemis, Apollo, Hephaestus, Aphrodite and Ares