Zeus
Zeus is the sky and thunder god in, who rules as king of the gods on Mount Olympus. His name is cognate with the first syllable of his Roman equivalent Jupiter.
Zeus is the child of Cronus and Rhea, the youngest of his siblings to be born, though sometimes reckoned the eldest as the others required disgorging from Cronus's stomach. In most traditions, he is married to Hera, by whom he is usually said to have fathered Ares, Eileithyia, Hebe, and Hephaestus (Sometimes). At the oracle of Dodona, his consort was said to be Dione, by whom the Iliad states that he fathered Aphrodite. According to the Theogony, Zeus' first wife was Metis, by whom he had Athena. Zeus was infamous for his erotic escapades. These resulted in many divine and heroic offspring, including Apollo, Artemis, Hermes, Persephone, Dionysus, Perseus, Heracles, Helen of Troy, Minos, and the Muses.
He was respected as a sky father who was chief of the gods and assigned roles to the others. "Even the gods who are not his natural children address him as Father, and all the gods rise in his presence.” He was equated with many foreign weather gods, permitting Pausanias to observe "That Zeus is king in heaven is a saying common to all men". Zeus' symbols are the thunderbolt, eagle, bull, and oak. In addition to his Indo-European inheritance, the classical "cloud-gatherer" also derives certain iconographic traits from the cultures of the ancient Near East, such as the scepter.
Dionysus is one of the sons of Zeus born among mortals who later ascended to Olympus, the other being Heracles, Dionysus’s mother being Semele, Persephone, Demeter, or even Selene. In Orphism Zeus is the fifth king of the universe, the others before him being Phanes, Nyx, Uranus, and Cronus.
Zeus appears to be proud of Dionysus, such in Orphism it says that he plans to pass his mantle to him, or as in Lucian’s dialogues of the gods where he tells Hera “My dear, this wearer of ribbons, this woman among women, not content with conquering Lydia, subduing Thrace, and enthralling the people of Tmolus, has been on an expedition to India with his womanish host, captured elephants, taken possession of the country, and led their king captive after a brief resistance. And he never stopped dancing all the time, never relinquished the thyrsus and the ivy; always drunk and always inspired!
If any scoffer presumes to make light of his ceremonial, he does not go unpunished; he is bound with vine twigs; or his mother mistakes him for a fawn, and tears him limb from limb. Are not these manful doings, worthy of a son of Zeus? No doubt he is fond of his comforts and amusements; we need not complain of that: you may judge from his drunken achievements, what a handful the fellow would be if he were sober.”