2 Kings 11:21
Seven years old was Jehoash when he began to reign.
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 also was Zibiah of Beer-sheba.
2 Kings 11:4
And the seventh year Jehoiada sent and brought the rulers over hundreds, with the captains and the guard, and brought them to him into the house of the LORD, and made a covenant 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 and one years in Jerusalem. And his mother's name was Jedidah, the daughter of Adaiah of Bozcath.