In the beginning there was Chaos and from the chaos Gaia came to be.
Gaia (Earth) andUranus (Sky) began the long extensive line that eventually becomes the Greek gods.
Together they had numerous children:
The Cyclopes:
Arges
Brontes
Steropes
The Hecatanchires (one hundred handed monsters)
Briareus (Also known as Aegaeon)
Cottus
Gyes
The Titans:
Cronus
Rhea
Oceanus
Hyperion
Theia
Mnemosyne
Iapetus
Coeus
Tethys
Crius
Phoebe
Themis
Cronus and Rhea
Had the Greek Gods.
Zeus
God of the Sky.
Hades
God of the Underworld.
Poseidon
God of the Sea.
Hera
Goddess of Marriage.
Hestia
Goddess of the Hearth.
Demeter
Goddess of the Harvest.
Cronus after hearing a prophecy he became fearful that one of his
children would over throw him. So one by one he swallowed them to
prevent such a thing happening. When Rhea had her final child, Zeus,
instead of allowing Cronus to eat him, she fed him a stone wrapped in
swaddling cloth.
Thinking nothing of it, Cronus scarfed it down unaware of the switch. When Zeus had grown he over threw his father and
freed his siblings.
Once the titans had been over thrown Zeus, Poseidon, and Hades drew lots to see who would govern over what. Zeus
who cheat received the Sky. Poseidon the Sea and Hades the Under world.Zeus and Hera had many children of their own.
From their union came:
Ares
Hebe
Eileithyia
Eris
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Zeus is said to one day have had a headache out sprang Athena in full armor from his head.
In one myth Hera, jealous, had hadHephaestus on her own. He being so hideous, she threw him from Olympus.
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Zeus and Leto had the twins:
Apollo
Artemis
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Dionysus was born from a mortal woman whom Zeus slept with.
Hermes is also the son of Zeus.
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To put it in simple terms Zeus could not keep it in his pants and multiplied like a rabbit.
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Aphrodite- Her origin has a few different tales. She is said to have
risen from sea foam after Uranus had had his member cut off. She is also
said to be the daughter of Zeus.
If you're having a hard time following here is the list of some Greek gods/goddesses that Zeus is credited for siring:
Ares
God of War.
Athena
Goddess of Wisdom, Strategic warfare, and crafts.
Apollo
God of the sun.
Artemis
Goddess of the hunt, the moon.
Hebe
Goddess of youth.
Hermes
Shepard, travel, messenger of the gods.
Eileithyia
Goddess of childbirth.
Eris
Goddess of discord.
Dionysus
God of wine.
The Nine Muses
Clio
History.
Urania
Astronomy
Melpomene
Tragedy.
Thalia
Comedy.
Terpsichore
Dance.
Calliope
Epic poetry.
Erato
Lyric and love poetry.
Polyhymnia
Sacred hymns, divine poetry.
Euterpe
Lyric poetry.
The Fates
Clotho
Spun the thread of life.
Lachesis
Measured the thread.
Atropos
Cuts the thread.
The Furies
Woman who carried out justice for injustice.
They live in the Underworld.
Alecto
The angry.
Megaera
The grudging.
Tisiphone
The avenger.
Greek Creatures
Cerberus
Hades three headed guard dog.
Cyclopes
One eyed monsters.
Gorgons
Ugly snaked haired monsters that lived at the edge of the world.Medusais one of the more well known gorgon.
Sirens
Creatures that lured sailors to their deaths by singing a tune they couldn't resist.
Hydra
A serpent like creature with nine heads. When one head is cut off two more grow in it's place.
Minotaur
A feared man eating monster with the head of a bull.
Pegasus
A winged horse that could fly.
Nymphs
Female nature spirits of rivers, forests, etc.
Demi-gods
Children of a union between gods and mortals.
Achilles
Peleus a mortal king was his father.
Thetis a water nymph was his mother.
Hercules
Son of Zeus and a mortal woman.
Perseus
Son of Zeus and a mortal woman.