Laodice of Syria (Antiochus II Theos, Antiochus I Soter (the Preserver) , Selucus I Nicator, Antiochus of Syria) birth date unknown. She married Mithradates II of Pontus King 250-220 BC. Laodice of Syria (Antiochus II Theos, Antiochus I Soter (the Preserver) , Selucus I Nicator, Antiochus of Syria) birth date unknown. She married Mithradates II of Pontus King 250-220 BC.