<P> In Greek mythology , Hades was regarded as the oldest son of Cronus and Rhea , although the last son regurgitated by his father . He and his brothers Zeus and Poseidon defeated their father 's generation of gods , the Titans , and claimed rulership over the cosmos . Hades received the underworld , Zeus the sky , and Poseidon the sea , with the solid earth -- long the province of Gaia -- available to all three concurrently . Hades was often portrayed with his three - headed guard dog Cerberus . </P>
<P> In Greek mythology , Hades was regarded as the oldest son of Cronus and Rhea , although the last son regurgitated by his father . He and his brothers Zeus and Poseidon defeated their father 's generation of gods , the Titans , and claimed rulership over the cosmos . Hades received the underworld , Zeus the sky , and Poseidon the sea , with the solid earth -- long the province of Gaia -- available to all three concurrently . Hades was often portrayed with his three - headed guard dog Cerberus . </P>
who is the oldest of zeus poseidon and hades
who is the oldest of zeus poseidon and hades
Hades
Hades