Cross reference
2 Samuel 5:4
4 David was thirty years old when he began to reign, and he reigned forty years.
1 Chronicles 26:31
31 Of the Hebronites was Jerijah the chief, even of the Hebronites, according to their generations by fathers' `houses'. In the fortieth year of the reign of David they were sought for, and there were found among them mighty men of valor at Jazer of Gilead.
1 Chronicles 29:27
27 And the time that he reigned over Israel was forty years; seven years reigned he in Hebron, and thirty and three `years' reigned he in Jerusalem.
Luke 3:23
23 And Jesus himself, when he began `to teach', was about thirty years of age, being the son (as was supposed) of Joseph, the `son' of Heli,
1 Kings 2:11
11 And the days that David reigned over Israel were forty years; seven years reigned he in Hebron, and thirty and three years reigned he in Jerusalem.
1 Chronicles 3:4
4 six were born unto him in Hebron; and there he reigned seven years and six months. And in Jerusalem he reigned thirty and three years;