Here is a chart of many Greek dieties, along with an explanation of who they are and their family relationships.
Achelous(River god)Son of Oceanus and TethysSerpentlike body and horned head; one of his horns fashioned into the Horn of Plenty.
Aether(God of clear skies)Son of Erebus and Nox.
Amphitrite(Sea goddess)Daughter of Oceanus and Tethys or of Nereus and Doris; wife of Poseidon; mother of Triton.
Aphrodite(Goddess of love and sex)Daughter of Uranus; wife of Hephaestus; sometimes the daughter of Zeus and DioneRose from the foam created when the genitals of Uranus were thrown into the sea after his castration by Cronus; similar to the Phoenician Astarte and the Babylonian Ishtar
Apollo(God of light, the sun, archery, agriculture, poetry, medicine, and several other things)Son of Zeus and Leto; twin brother of ArtemisFounder of cities; giver of laws
Ares(God of war)Son of Zeus and Hera; twin brother od ErisFather of the Amazons; one of the twelve great gods
Aristaeus(Protector of flocks)Son of Apollo and CyreneOriginated the culture of the olives
Artemis(Goddess of the moon; goddess of the hunt; assists in childbirth; protects the young of animals and humans)Daughter of Zeus and Leto; twin sister of ApolloA virgin
Astraea(Goddess of justice)Daughter of Zeus and Themis
Ate(Goddess of discord and mischief)Daughter of Zeus; sister of Litai
Athena(Goddess of war; goddess of wisdom; goddess of industry; goddess of the arts; goddess of justice; goddess of skill)Daughter of Zeus and MetisInvented chariots and ships
Atlas(Sentenced to holding up the sky forever for rebelling against Uranus)Son of Iapetus and Clymene; brother of Menoetius, Prometheus, and EpimetheusA Titan
Boreas(King of the Winds)Son of Astraeus and Eos
Calliope(Muse of eloquence and poetry)Daughter of Zeus and Mnemosyne; mother of Orpheus
Castor and Polydeuces(Protectors of sailors, appearing as twin lights of St. Elmo’s Fire during storms)Twin sons of Zeus and LedaHatched from an egg; Castor mortal; Polydeuces immortal
ChaosUranus and Gaea arose from Chaos and gave birth to the TitansA gaping void which was the first Creation and from which the world of gods and men developed
Charon(Ferryman to conduct the dead across the River Acheron)Son of Erebus and Nyx
Chloris(Goddess of places shaded by trees, shrubs, and vines)Wife of Zephyrus
Clio(Muse of history)Daughter of Zeus and Mnemosyne
Comus(God of revelry, drunkenness, and mirth; in charge of entertaining the gods; presided over festive occasions)Son of Bacchus and CirceWinged and clad in white
Cronus(God of fate; god of agriculture; king of Titans for a time)Son of Uranus and Gaea (Mother Earth); youngest of twelve TitansDeposed by Zeus
Cyclopes(Assistants to Hephaestus in Mount Etna)Sons of Uranus and GaeaManufactured thunderbolts for Zeus, the trident for Poseidon, the helmet of invisibility for hades; built many massive and ancient structures
Daphne(Priestess for Mother Earth)Daughter of the River PeneiusMountain nymph; unable of loving anyone after being shot by a lead arrow from Cupid
Demeter(Goddess of nature, ruling the fruitfulness of the earth)Daughter of Cronus and RheaCreated winter when her daughter Persephone was abducted by Hades
Derceto(Goddess of fertility)Had the tail of a fish
Dike(Goddess of justice)Daughter of Temis the Titan
Dionysius(God of fertility; god of wine; god of vegetation)Son of Zeus and Semele
Electra(Goddess of the rainbow)Daughter of Oceanus and Thaumas; mother of Iris
Eos(Goddess of the dawn)Daughter of Hyperion and Theia; sister of Helios and SeleneMother of the four winds
Eris(Goddess of strife and discord)Daughter of Zeus and hera; twin sister of AresCompanion of Ares
Eros(God of love and sexual prowess; god of power)Son of Aphrodite and Zeus or Ares or HermesVarious accounts of his birth
Gaea (Ge)(Mother-Earth; goddess of the earth; goddess of marriage; goddess of death; goddess of the after-life)Sprang from Chaos; bore Uranus while she slept; mother of Titans,Cyclopes, Furies, giants, and tree nymphs
Glaucus(Sea god)Could utter prophecies
Graces(Bestowed talent upon mortals)Daughters of ZeusLoved all things beautiful; Aglaia the Brilliant, Euphrosyne the Joyful, Thalia the Flowering
Hades(Lord of the underworld)Son of Cronus and Rhea; brother of Zeus; husband of PersephoneCarried a staff with which he beckoned the dying to the lower world
Harpies(Goddesses of storms)Aello the Stormswift, Celaeno the Dark; Ocepete the Swiftwing, and Podarge the Swiftfooted
Hecate(Goddess of abundance and eloquence; goddess of the night)Daughter of PersesA Titan
Helios(God of the sun; Reporrter of the activities of Earth to the other gods)Son of Hyperion and Theia; brother of Selene and EosDrove a four-horse chariot daily across the sky, and at night ferried eastward by Oceanus
Hephaestus(God of fire; god of volcanoes)Son of Zeus and Hera; husband of AphroditeArtist in metal-making; made thunderbolts for Zeus; lame
Hera(Goddess of marriage; goddess of childbirth)Daughter of Cronus and Rhea; sister and wife of ZeusShrewish and jealous against the mortal children of Zeus
Hermes(Son of Zeus and Maia)God of travel and protector of travelers, merchants and thieves; god of hunting; god of exploring; god of embassies; messenger of the godsHid Apollo’s cattle; invented the lyre; carried a caduceus; wore winged sandals and hat
Hesperides(With their watch-dragon, guarded the golden apples that Gaea gave to her a as a wedding gift)Daughters of Hesperus
Hippolyte(Queen of the Amazons)Daughter of Ares
Horae(Gatekeepers of heaven)Music lovers and choreographers; Dike, Eirene, Eumonia
Hyades(Nurses to the young god Dionysus)Daughters of Atlas and Aethra
Hymenaeus(God of marriage)Son of Dionysus and Aphrodite
HyperionSon of Uranus and Gaea, brother-husband of Theia; father of Eos, Helios, and SeleneVery handsome; a Titan
Hypnos(God of sleep)
Iris(Goddess of the rainbow; messenger of the gods; advisor and guide to mortals)Daughter of Thaumos and Electra; sister of the Harpies
LetoDaughter of Coeus and Phoebe; mother of Apollo and ArtemisA Titan
MaiaDaughter of Atlas and Pleione; wife of Zeus; mother of Herakles
Melpomene(Muse of tragedy)Daughter of Zeus and Mnemosyne
Mnemosyne(Goddess of memory)Daughter of Uranus; wife of Zeus; mother of the nine Muses
Mneme(Muse of memory)Sister of Aoida and MeleteOne of the three original Muses
Monos(God of pain; god of sarcasm)
Morpheus(God of dreams)Son of Hypnos
Nemesis(Virgin goddess of law, retribution, and punishment)
Nereus(God of the Mediterranean Sea)Son of Pontus and Gaea; husband of Doris; father of the NereidsCould foretell the future; prone to changing shape
Nyx(Goddess of night; goddess of darkness)Daughter of Chaos
Oceanus(Lord of the water encircling the whole world, eventually only the Atlantic Ocean)Son of Uranus and Gaea; husband of TethysFather of all rivers
Orchus(God of oaths; punishers of perjurers)Confused with Pluto
Pan(God of shepherds and flocks; god of fertility; god of nature)Son of Hermes or Hybris and Hybris, or of Callistro or Aether and Oenoe, or of Cronus and GeLower part of the body that of a goat, upper part that of a man; goat horns on his head; invented the flute
Pegasus(Ridden to war by Bellerohon)Created from sea foam by PoseidonWinged horse; created springs by striking the earth with his hooves; liked to chase thunderbolts hurled by Zeus; eventually changed to a constellation
Persephone(Goddess of the underworld)Daughter of Zeus and Demeter; wife of HadesAllowed to spend spring and summer with her mother and fall and winter with her husband
Plutus(God of wealth)Son of Iasion and DemeterBlinded by Zeus
PolydeucesSee: Castor and Polydeuces.
Poseidon(God of the sea and shore, ruling from an undersea palace; god of the islands; god of earthquakes)Son of Cronus and Rhea; husband of Amphitrite and HaliaBrought up by the Telchines aand Cephira, daughter of Oceanus; can make the earth shake with his trident
Prometheus(Light-bearer)Son of Iapetus and ClymeneStole fire from Mount Olympus and gave it to mortals
Rhadamantus(God of justice)Son of Zeus and EuropaLaid the foundation of the Cretan Code of law; later a judge in the Islands of the Blessed
Rhea(Great Mother goddess in almost all ancient religions)Daughter of Uranus and GaeaGave her son Zeus to her mother to avoid his father from swallowing him as with his other children; Zeus taken to Crete and brought up by three nymphs; Cronus given a stone wrapped in swaddling clothes (which he swallowed) by Rhea, saying it was Zeus; all children and the stone later regurgitated
Selene(Goddess of the moon)Daughter of Hyperion and Theia; sister of Helios and Eos
Styx(Goddess of oaths)Daughter of Oceanus and Tethys; wife of PallasLived in a grotto at the entrance of Hades
Thalia(Muse of comedy and pastoral poetry)
Themis(Goddess of law and order)Daughter of Uranus and Gaea; consort of Zeus; mother of the Horae and the MoiraeA prophetess
Titans(See specific names)12 children of Heaven (Uranus) and Earth (Ge or Gaea); males (Coeus, Creus, Cronus, Hyperion, Iapetus, Oceanus); females (Mnemosyne, Phoebe, Rhea, Tethys, Theia, Themis)Banishment of two other groups of their children (Cyclopes and Hecatoncheires) to Tartarus the start of the Titan War; the other Titans urged by Gaea to attack; Uranus defeated and replaced by Uranus, who canceled the banishment; Cronus attacked and defeated by Zeus and the other Olympians
Triton(God of the sea)Son of Poseidon and AmphitriteHad green hair and eyes; had a human torso and the tail of a dolphin; Controlled the action of the waves by blowing a conch horn
Urania(Muse of astronomy)Daughter of Zeus and Mnemosyne
Uranus(First father of the gods)Son of his mother-wife, Gaea; father of the Titans, the Cyclopes, the Olympians, and others
Zagreus(God of rebirth; god of immortality)Son of Zeus and Persephone
Zephyrus(God of the west wind)Son of Astraeus and Eos; brother of Chloris, Iris, and Podarge; father of Balius, Carpus, and Xanthus
Zeus(God of the heavens and the upper regions of the earth; master of destiny; god of weather; protector of guests; guardian of law; upholder of morality)Son of Cronus and Rhea; brother of Hestia, Demeter, Hades, Poseidon, and Hera; husband of Metis, Themis, Eurynome, Maia, Hera, Mnemosyne, Demeter, and Letu; father of gods and mortalsIndo-European origin; had 115 mistresses and 140 children; armed with thunder and lightning