Perseus and Andromeda (Leighton) daughters of Poseidon, the god of the sea. When the nymphs became aware of her claims, they protested to their father, who retaliated by calling up a sea monster called Cetus to patrol and wreak havoc along the coastline of Ethiopia placing Cassiope's kingdom at risk. In response the Queen, together with her husband Cepheus, decided to sacrifice her daughter, Princess Andromeda, to the monster. Andromeda was chained to a rock at the edge of the sea as an offering to the monster. Perseus was travelling back home on his winged horse, Pegasus, after battling with Medusa. He rescued Andromeda
Cepheus of Ethiopia daughter Andromeda was offered up to the monster. The king chained the princess to a rock by the shore at the insistence of his people to be devoured by Cetus. Andromeda was saved from this fate when Perseus, flying home with his trophy (i.e. head of Medusa), had passed by the kingdom of Cepheus and noticed that a girl of wonderful beauty was chained to a rock by the seashore. Perseus fell in love with her at first sight and undertook to slay the monster if she would promise to marry him; or, in a slightly different version, he approached