Her husband, Zeus cheated on her with many human women and goddesses.
Hera is jealous in the majority of the myths she appears in because Zeus is always cheating on her. In the myth of Hercules, for example, Hera is jealous because Zeus cheated on her with Alcmene.
Jealous
Hera.
No, but Hera is jealous of Aphrodite's beauty.
Hera was jealous of anyone who caught Zeus's eye.
Hera.
Her husband's constant infidelity.
Hera
hera was the goddess of marriage she was also considered a VERY jealous god
Hera
Hera, wife of Zeus, was the goddess who had a good reason to be jealous
Hercules. Also it wasnt Zeus, it was just Hera because she was jealous that Zeus had another child with a mortal