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ad'-o (Codex Alexandrinus, Addo; Codex Vaticanus, Eddein) = Iddo (Ezra 5:1; 6:14):
The father (Zechariah 1:1,7 grandfather) of Zechariah the prophet (1 Esdras 6:1).
Orr, James, M.A., D.D. General Editor. "Entry for 'ADDO'". "International Standard Bible Encyclopedia". 1915.