Assertion: empire's son | /r/HasProperty | antiochus i soter
Facets:
Source sentences:
text: At this point the tripartite territorial division of the Hellenistic age was in place, with the main Hellenistic powers being Macedon under Demetrius's son Antigonus II Gonatas, the Ptolemaic kingdom under the aged Ptolemy I and the Seleucid empire under Seleucus' son Antiochus I Soter.