| Who or What | Name |
| God of | |
| Animal association | |
| God of this natural phenomena | |
| Roman name | |
| Son who killed the Minotaur | |
| Brother | |
| Brother | |
| Sister | |
| Sister | |
| Sister | |
| Wife | |
| Lost patronship of Athens to | |
| | Who or What | Name |
| Offered Athens this, but was beaten by the Olive Tree | |
| Blamed for this medical phenomena | |
| At birth was swallowed by his father | |
| Mother | |
| Some myths say that instead of being swallowed at birth, Poseidon was raised by | |
| Instead of being swallowed at birth, Poseidon was raised on this island | |
| Poseidon's persuit of Demeter caused the birth of their son, a horse that could speak named | |
| Poseidon's granddaughter, whom he had an affair with, was buried alive and turned into a spring | |
| Poseidon rescued her from a satyr and then had a child, Nauplius with her | |
| Persued this woman in Athena's temple, resulting in her becoming a monster | |
| One of the twins he had with Tyro when disquised as Enipeus | |
| One of the twins he had with Tyro when disquised as Enipeus | |
| | Who or What | Name |
| Woman Poseidon turned into a man after having an affair with | |
| Carries a | |
| With Apollo, as punishment for angering Zeus, served this King and built the wall's of Troy | |
| The seamonster he sent to destroy Troy was killed by the hero | |
| Though he favored the Greeks in the Trojan War, he rescued this man after Achilles killed the Trojan Prince | |
| Hated Odysseus for harming his cyclops son, | |
| His son, a merman | |
| His son, a winged horse | |
| One of his sons, a giant | |
| One of his sons, a giant | |
| Theseus's mother | |
|