birth

Castor and Pollux were born from an egg.

Pallas came out of a skull.

Galatea was once a block of stone.

Peresilis, in the 10th century, said that he arose from the ground where a priest had spilled holy water.

Arimaxus, from a fissure in the earth caused by a bolt of lightning.

Leucomedom was the son of a cavern on Mt Etna.

I myself have seen a man come out of a wine cellar.