Zeus and Hera are siblings as well as husband and wife in Greek mythology, representing the duality of sky and marriage. Zeus is the king of the gods and is often associated with authority, while Hera, the queen, embodies the aspects of marriage and family. Their relationship is characterized by tension and betrayal, as Zeus frequently engages in affairs, leading to jealousy and conflict. Despite their tumultuous dynamic, they both maintain significant roles in the pantheon and influence various mythological narratives.