2 Chronicles 12:13

12:13 King Rehoboam solidified his rule in Jerusalem; he was forty-one years old when he became king and he ruled for seventeen years in Jerusalem, the city the Lord chose from all the tribes of Israel to be his home. Rehoboam’s mother was an Ammonite named Naamah.

2 Chronicles 25:5

25:5 Amaziah assembled the people of Judah and assigned them by families to the commanders of units of a thousand and the commanders of units of a hundred for all Judah and Benjamin. He counted those twenty years old and up and discovered there were 300,000 young men of fighting age equipped with spears and shields.

2 Chronicles 31:16

31:16 They made disbursements to all the males three years old and up who were listed in the genealogical records – to all who would enter the Lord’s temple to serve on a daily basis and fulfill their duties as assigned to their divisions.