Poseidon is the brother of Zeus. After the overthow of their Father Cronus he drew lots with Zeus and Hades, another brother, for shares of the world. His prize was to become lord of the sea. He was widely worshiped by seamen. He married Amphitrite, a granddaughter of the Titon Oceanus. At one point he desired Demeter. To put him off Demeter asked him to make the most beautiful animal that the world had ever seen. So to impress her Poseidon created the first horse. In some accounts his first attempts were unsucessful and created a varity of other animals in his quest. By the time the horse was created his passion for Demeter had cooled.His weapon is a trident, which can shake the earth, and shatter any object. He is second only to Zeus in power amongst the gods. He has a difficult quarrelsome personality. He was greedy. He had a series of disputes with other gods when he tried to take over their citie
HADES
Hades is the brother of Zeus. After the overthow of their Father Cronus he drew lots with Zeus and Poseidon, another brother, for shares of the world. He had the worst draw and was made lord of the underworld, ruling over the dead. He is a greedy god who is greatly concerned with increasing his subjects. Those whose calling increase the number of dead are seen favorably. The Erinnyes are welcomed guests. He is exceedingly disinclined to allow any of his subjects leave.He is also the god of wealth, due to the precious metals mined from the earth. He has a helmet that makes him invisable. He rarely leaves the underworld. He is unpitying and terrible, but not capricious. His wife is Persephone whom Hades abducted. He is the King of the dead but, death itself is another god, Thanatos.
HESTIA
Hestia is Zeus sister. She is a virgin goddess. She does not have a distinct personality. She plays no part in myths. She is the Goddess of the Hearth, the symbol of the house around which a new born child is carried before it is received into the family. Each city had a public hearth sacred to Hestia, where the fire was never allowed to go out.