Phthia (mistress of Amyntor)
In Greek mythology, Phthia (Ancient Greek: Φθία, romanized: Phthía, lit. 'withering') or Clytia (Ancient Greek: Κλυτία, romanized: Klutía, lit. 'renowned') is the concubine of Amyntor, king of Ormenium. She became the reason for the falling out between Amyntor and his son Phoenix after Phoenix slept with her.
Source: Wikipedia — Phthia (mistress of Amyntor) (CC BY-SA 4.0)