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1. A son of Idmon and Laothoe (Schol. ad Apollon. Rhod. 1.139), though
some ancients declare that Idmon (the knowing) was only a surname of Thestor. He was the
father of Calchas, Theoclymenus, Leucippe, and Theonoe. (Fab. 128.) His daughter Theonoe was carried off by
pirates, and sold to king Icarus in Caria. Thestor, who went out in search of her, suffered
shipwreck, and was taken as a prisoner to Caria. His other daughter Leucippe then consulted
the Delphic oracle about her absent father and sister, and was directed to travel through all
countries in the attire of a priest of Apollo. In this manner she came to Caria, where her own
sister fell in love with her, and as the love was not returned, Theonoe ordered her to be
killed. Thestor received the order to kill her, but when he was on the point of executing it,
he recognised his children, and with presents from Icarus Thestor with his daughters returned
home. (Hygin. Fab. 190.)