AMMIDIOI; AMMIDOI

a-mid'-i-oi, am'-i-doi (the King James Version Ammidioi, (also with aspirate); occurring only in 1 Esdras 5:20): One of the families returning from the Babylonian Captivity in the First Return, under Zerubbabel, in 537 BC. This name is not found in the corresponding lists of the canonical books, Ezra 2 and Nehemiah 7. Their identity is uncertain.

From the International Standard Bible Encyclopedia
Edited by James Orr, published in 1939 by Wm. B. Eerdmans Publishing Co.