 The lyric poet Lasus of Hermione (6th century BC) adds the Sphinx.Later authors mostly retain these offspring of Typhon by Echidna, while adding others.Apollodorus, in addition to naming as their offspring Orthrus, the Chimera (citing Hesiod as his source) the Caucasian Eagle, Ladon, and the Sphinx, also adds the Nemean lion (no mother is given), and the Crommyonian Sow, killed by the hero Theseus (unmentioned by Hesiod).