Son-in-law of King Agrippa I. When Mariamne II., daughter of Agrippa I. and sister of Agrippa II., had put away Archelaus, the son of Chelcias, she married Demetrius, who was by birth and wealth among the foremost Jews of Alexandria, and held the office of alabarch about the year 49
- Josephus, Ant. xix. 9, § 1;
- xx. 7, § 3;
- Brüll, in Geiger, Jüdische Zeitschrift, iii. 279;
- Grätz, Monatsschrift, 1876, 217;
- Schürer, iii. 88.