Along with Apollo, this god was welched on by the king of Troy, for whom he built some exceedingly tall walls.
He came to the aid of Amymone when a satyr assaulted her, and for a wedding present, he gave Xanthus and Balius to Peleus.  His offspring include the king who sent Jason on the quest for the Golden Fleece and the first priest of the Eleusinian mysteries, who was taught by this deity's sister Benthesikyme.  Caeneus asked to be turned into a man after being raped by this god, and it was this god who induced Pasiphae's lust for a bull he sent to Minos.  Along with Apollo, this god was welched on by the king of Troy, for whom he built some exceedingly tall walls. Fathering the second generation of Cyclopes, including Polyphemus, he caused the death of Hippolytus as fulfillment of one of three curses he gave to his son Theseus.  For, identify this Greek god of earthquakes and horses, who may be better known as the brother of Hades and Zeus who lived in and ruled the sea.
He came to the aid of Amymone when a satyr assaulted her, and for a wedding present, he gave Xanthus and Balius to Peleus.  
Poseidon