Iddo or Eido (Hebrew: עדו or[verification needed] עידו or עדא ('iD'o - First Kings 4:14) was a minor biblical prophet, who appears to have lived during the reigns of King Solomon and his heirs, Rehoboam and Abijah, in the Kingdom of Judah.
Although little is known about him, and he appears only in the Books of Chronicles, Iddo seems to have been rather prolific in his day, with his prophecies concerning the rival King Jeroboam I of Israel recorded in a lost book of visions (see 2 Chronicles 9:29). He also composed a history of King Rehoboam, known as the "Words of Shemaiah the Prophet and Iddo the Seer" (2 Chronicles 12:15), and of his son King Abijah (2 Chronicles 13:22). Some, such as Rashi, identify him with the unidentified "man of God" from I Kings 13:1. Iddo, on account of his prophecies against Jeroboam, has been identified by Josephus ("Ant." viii. 8, § 5) and Jerome ("Quæstiones Hebraicæ," to 2 Chron. 12:15) with the prophet who denounced the altar of Jeroboam and who was afterward killed by a lion (I Kings xiii). Jerome identifies Iddo also with the Oded of II Chron. xv. 8.E.G.
Another Iddo is mentioned in Ezra 8:17 as the chief man at the place Casiphia. Ezra requests assistance from Iddo and his brethren to bring servants for the Temple. It is this Iddo Ezra refers to when he calls the prophet Zechariah a "son of Iddo" in Ezra 5:1 and 6:14. The Book of Zechariah 1:1 and 1:7 mention Iddo as the paternal grandfather of Zechariah.
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