By his wife Endeis he was the father of Telamon and Peleus.
The apples appear to have been the symbol of love and fruitfulness, and are introduced at the marriages of Cadmus and Harmonia and Peleus and Thetis.
Her husband, having accidentally killed Eurytion in the Calydonian boar hunt, fled and obtained expiation from Acastus, whose wife made advances to Peleus.
At the funeral games of Pelias, she wrestled with Peleus, and won.
He was said to have been the son of Peleus, king of the Myrmidones of Phthia in Thessaly, by Thetis, one of the Nereids.