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.