Amon in Smiths Bible Dictionary

(builder). 1. One of Ahab's governors. 1Ki 22:26; 2Ch 18:25 2. King of Judah, son and successor of Manasseh, reigned two years, from B.C. 642 to 640. Amon devoted himself wholly to the service of false gods, but was killed in a conspiracy, and was succeeded by his son Josiah.

Link: https://bible-history.com/smiths/A/Amon/