IDDO, 4. A prophet
2 Chronicles 9:29
29. Now the rest of the acts of Solomon, first and last, are they not written in the book of Nathan the prophet, and in the prophecy of Ahijah the Shilonite, and in the visions of IDDO the seer against Jeroboam the son of Nebat?
2 Chronicles 12:15
15. Now the acts of Rehoboam, first and last, are they not written in the book of Shemaiah the prophet, and of IDDO the seer concerning genealogies? And there were wars between Rehoboam and Jeroboam continually.
2 Chronicles 13:22
22. And the rest of the acts of Abijah, and his ways, and his sayings, are written in the story of the prophet IDDO.
IDDO-4. A prophet IDDO in Naves Topical Bible (Bible History Online)