Nefeli was a goadess married with Athamas the son of Aiolos who was the king of winds. She had 2 kids with Athamas, Frixos and Elli. Later on Athamas throw her away from the palace cause he married another woman, Ino. She was very jealous of Nefeli's kids cause Athamas loved them a lot. With a devious trick, Ino managed to sacrifice Frixos in the name of Zeus, but at the last moment, Nefeli sent a goldhair sheep buck that Hermes had gave to her as a gift. Immediately Frixos with Elli jumped on the animal and they fly away.