Patro was one of the daughters of Thespius, King of Thespiae, Boeotia. She was one of the forty-nine of his fifty daughters to sleep with Herakles while he was in Thespiae. She would bare him Arkhemakhus.
Herakles (lover for one night)
"by Patro he [Herakles] had Arkhemakhus"
- Apollod. Biblioteca 2.7.8