They were married but none of their children were a product of this union. This is believed to be the reason of Hera's wrath toward Zues' extramarital affairs; they almost always ended with Zues impregnating his women, yet she couldn't have his baby.
She got herself pregnant with Haphaestus but as a result of only being a creation of one, he is deformed and walks with a limp.
The answer is, its a trick question, the couple had no children together
Hera's children were: Ares Eris Hebe Eileithyia Hephaestus All were fathered by Zeus.
Being the goddess of marriage she could not have affairs.
Hephaestus was considered the ugliest of Zeus and Hera's children
zeus and hera are the king and queen of the olympians
They together had six.AresEnyoHebeEileithyiaHephaestusEris
Zeus only had three sisters; Hera, Hestia and Demeter.
Hera's children were: Ares Eris Hebe Eileithyia Hephaestus All were fathered by Zeus.
Zeus, Poseidon, Hades, Hestia, Hera, and Demeter.
Being the goddess of marriage she could not have affairs.
Hephaestus was considered the ugliest of Zeus and Hera's children
Hera, who was also his sister, was his wife but he had children with numerous women, godesses, and creatures.
Hera
Ares, Hebe and Ilithyia were Hera's and Zeus's children together. Hephaestus and Typhon were Hera's children without consort or mate. Pasithea was another possible daughter.
All six of Hera's children were fathered by Zeus.AresEnyoHebeEileithyiaHephaestusEris
Zeus and Hera
Zeus has three sisters: Hera (who is also Zeus' wife), Hestia and Demeter.
Cronus and Rhea had the following gods as children: Zeus, Hades, Poseidon, Hera, Hestia and Demeter, so Cronus and Rhea had 6 children.