Page "Demetrius I Soter" Paragraph 4

Demetrius ' downfall may be attributed to Heracleides, a surviving brother of the defeated rebel Timarchus, who championed the cause of Alexander Balas, a boy who claimed to be a natural son of Antiochus IV Epiphanes.

Heracleides convinced the Roman Senate to support the young pretender against Demetrius I.