2 Kings 11:21
Jehoash was seven years old when he was made king.
2 Chronicles 24:1-14
Joash was seven years old when he began to reign, and he reigned forty years in Jerusalem. His mother's name was Zibiah of Beersheba.
2 Kings 11:4
And the seventh year Jehoiada sent and fetched the rulers over hundreds with the captains and them of the guard, and took them into him into the house of the LORD, and made a bond with them, and took an oath of them in the house of the LORD, and showed them the king's son.
2 Kings 22:1
Josiah was eight years old when he began to reign, and he reigned thirty one years in Jerusalem. His mother's name was Jedidah the daughter of Adaiah of Bozkath.