1. A daughter of Bellerophontes and wife of Evander, by whom she became the mother of Sarpedon. (Diod. v. 79.) Homer (Il. vi. 197) calls her Laodameia.
2. A daughter of Lycomedes in the island of Scyros. When Achilles was concealed there in maiden's attire, Deïdameia became by him the mother of Pyrrhus or Neoptolemus, and, according to others, of Oneirus also. (Apollod. iii. 13. § 7; Ptolem. Hteph. 3.)
3. The wife of Peirithous, who is commonly called Hippodameia. (Plut. Thes. 30; comp. HIPPODAMEIA.)