AROM

a'-rom (Arom): The sons of Arom returned to Jerusalem with Zerubbabel (1 Esdras 5:16). Omitted in Ezra and Nehemiah. Hashum is found in place of Arom in Ezra 2:19.

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