They began as brother and sister, just as his mother and father, Cronus and Rhea, were also siblings. It would seem that incest is alright so long as you're a god. How she became his wife is not clear, but as the Goddess of Marriage, Women and Birth, she may well have arranged it herself, and thus became Queen of the Gods.
Hera was Zeus' wife.
Hera was Zeus's wife, and also his older sister.
Hera was Zeus' wife. She did not swallow herself.
Zeus was Hera's brother, husband, and king.
Hera is Zeus's wife and sister
Hera was Zeus's wife
Heracles is the son of Zeus. Hera is the sister-wife of Zeus.
Hera is the wife of Zeus and sister of Poseidon. Hera is also the sister of Hades. Zeus, Hera, Poseidon and Hades were all siblings.
Hera is the sister and wife of Zeus.
Hera is the wife and sister of zeus
Zeus's wife's name was Hera.
Zeus' wife is Hera, his younger sister.