Leeming, David (2005). The Oxford Companion to World Mythology. Oxford University Press. ISBN9780195156690 – via Oxford Reference Online. According to some sources, either Antiope or Hippolyta was the mother, by Theseus, of the tragic Hippolytus.
Pseudo-Apollodorus, Bibliotheca, (Epitome of Book IV), 1. 16; this source also cites a rare version which makes Melanippe, not Antiope, the one captured by Theseus