Shallum the son of Josiah. Josiah had four sons (1 Chronicles 3:15). Shallum had another name Jehoahaz. Compare 2 Kings 23:31; 2 Kings 23:34. Zedekiah must have been younger than Jehoiakim or Jehoahaz, for he was but twenty-one when he began to reign, and therefore only ten when Jehoiakim began to reign.
Related Commentaries of Jeremiah 22:11
Jeremiah 22:11
11 For thus saith the LORD touching Shallum the son of Josiah king of Judah, which reigned instead of Josiah his father, which went forth out of this place; He shall not return thither any more: