Shallum is mentioned 4 times in scripture, across 1 book of the Old Testament. First named in scripture around 772 BC.
The son of Jabesh, otherwise unknown. He “conspired against Zachariah, and smote him before the people, and slew him, and reigned in his stead” (2 Kings 15:10). He reigned only “a month of days in Samaria” (15:13, marg.). Menahem rose up against Shallum and put him to death (2 Kings 15:14, 15, 17), and became king in his stead.