Stratonice of Syria is the mother of Antiochus III 's paternal grandfather Antiochus II Theos , whose father was Antiochus I Soter .
Antiochus III 's ancestry to Antipater is through Stratonice of Syria .
Stratonice of Stratonice of Syria is the mother of Antiochus III 's paternal grandfather Antiochus II Theos , whose father was Antiochus I Soter .
Antiochus III 's ancestry to Antipater is through Stratonice of Syria .