Hera is god of...

Hera is commonly referred to as the goddess of marriage because in Greek mythology, she is known as the wife of Zeus, the king of the gods. As the queen of Mount Olympus, Hera symbolizes the institution of marriage, representing the concepts of love, fidelity, and union. She is often depicted as a faithful and devoted wife, and her role as the goddess of marriage highlights her domain over relationship bonds and familial unity.