Which kids? Demigods? Gods that are children of gods? Are you aware that Zeus, Hera, Hestia, Poseidon, Hades, Demeter are all children of the gods Rhea and Cronus, who are in turn the Titan children of Gaia and Oranuos (Sky)?
It is believed that that gods had semi divine children known as "demigods". Even though they were born of gods and humans, they were almost always mortal. Some demigods included: Hercules, Achilles, and Perseus.