2 Samuel 5:4

5:4 David was thirty years old when he began to reign and he reigned for forty years.

2 Samuel 2:10

2:10 Ish-bosheth son of Saul was forty years old when he began to rule over Israel. He ruled two years. However, the people ¹  of Judah followed David.

¹ tn Heb “house.”