He is the highest authority amongst all Gods in Greek Mythology. Zeus serves as the God of the Sky and Thunder and is married to Hera.
As the God of the Sky and Thunder, his domain extends up into the sky.
The Goddess of wives, women, and marriage. She is the sister and wife of Zeus and she resides in Olympus, the domain controlled by Zeus.
Poseidon is highly regarded as one of the strongest Gods alongside his brothers, Zeus and Hades. He is the protector of seafarers and the sea, and is known as a tamer of horses.
As the God of the Sea, his sovereignty extends over the waters.