What family lineage was XXX part of?
Seleucus II Callinicus
Seleucus II Callinicus Pogon (Greek: Σέλευκος Β΄ ὁ Καλλίνικος ὁ Πώγων; the first epithet means ``gloriously triumphant''; the second, which is a nickname, means ``the Beard''), was a ruler of the Hellenistic Seleucid Empire, who reigned from 246 to 225 BC. After the death of his father, Antiochus, he was proclaimed king by his mother, Laodice in Ephesos, while her partisans at Antioch murdered Berenice and her son, another Antiochus.
Seleucid Empire