JADDUA.—1. One of those who sealed the covenant (Neh_10:21). 2. A high priest (Neh_12:11; Neh_12:22). He is doubtless the Jaddua who is named by Josephus in connexion with Alexander the Great (Jos. [Note: Josephus.] Ant. XI. viii. 5, cf. vii. 2, viii. 7).