 Demetrius I attempted to restore Seleucid power in Judea particularly, but was overthrown in 150 BC by Alexander Balas – an impostor who (with Egyptian backing) claimed to be the son of Epiphanes.Alexander Balas reigned until 145 BC when he was overthrown by Demetrius I's son, Demetrius II Nicator.Demetrius II proved unable to control the whole of the kingdom, however.