2 Samuel 5:4
David was thirty years old when he began to reign, and he reigned forty years.
Read Whole Chapter
1 Chronicles 29:26
Thus David the son of Jesse reigned over all Israel.
Read Whole Chapter
1 Chronicles 29:27
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.
Read Whole Chapter