DEMETRIUS II. (d. 125 B.c.), surnamed Nicator, son of De metrius I., fled to Crete af ter the death of his father, but about 147 B.C., with the help of Ptolemy VII., Philometor, king of Egypt, regained his father's throne. In I40 B.C. he marched against Mithridates, king of Parthia, but was held captive for ten years, regaining his throne about 129 B.C. on the death of his brother, Antiochus VII., who had usurped it. But he was hated for his cruelty, and during another civil war was defeated at Damascus, and killed near Tyre. His successor was his son, Antiochus VIII. Grypus.