2 Samuel 5:4
David was thirty years old when he began to reign. He reigned forty years.
1 Chronicles 26:31
Jerijah was the chief among the men of Hebron. He was of the Hebronites, according to the generations of his fathers. 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
And the time that he reigned over Israel was forty years. He reigned seven years in Hebron, and thirty-three years in Jerusalem.
Luke 3:23
And Jesus Himself was beginning to be about thirty years of age, being (as was supposed) son of Joseph, son of of Heli,
1 Kings 2:11
And the days that David reigned over Israel were forty years. He reigned seven years in Hebron, and he reigned thirty-three years in Jerusalem.
1 Chronicles 3:4
These six were born to him in Hebron. And there he reigned seven years and six months. And he reigned in Jerusalem thirty-three years.