4
David was
athirty years old when he became king,
and bhe reigned forty years.
b
1 Kings 2:11, 1 Chronicles 26:31
1 Kings 2
11
aThe days that David reigned over Israel were forty years: bseven years he reigned in Hebron and thirty-three years he reigned in Jerusalem.
1 Chronicles 26
31
As for the Hebronites, aJerijah the chief (these Hebronites were investigated according to their genealogies and fathers' households, in the fortieth year of David's reign, and men of outstanding capability were found among them at bJazer of Gilead)
Other references for 2 Samuel 5:4