Diodotus Tryphon ("the magnificent"): name of a king of the Seleucid Empire, ruled from 140 to 138.
Portrait of an unidentified Hellenistic ruler
Born in Casiane near Apamea
General of Demetrius I Soter, but defects to the usurper Alexander I Balas, who revolts in 152 and becomes king in 150; Diodotus ensures that Alexander can capture Antioch
145 or 144: Alexander is defeated and killed by Demetrius II Nicator, son of Demetrius I
Diodotus takes care of Alexander's two years old son Antiochus VI, and is able to continue the struggle against Demetrius, supported by the Hasmonaean leader Jonathan
143: Jonathan killed
142: Demetrius recognizes Simon as high priest in Jerusalem
