John Gill Commentary 1 Kings 22:50

"And Jehoshaphat slept with his fathers, and was buried with his fathers in the city of David his father; And Jehoram his son reigned in his stead." — 1 Kings 22:50 (ASV)

And Jehoshaphat slept with his fathers, and was buried with
his fathers in the city of David his father
In the city of Sion, where David, Rehoboam, Abijam, and Asa, were buried:

and Jehoram his son reigned in his stead ;
who was now thirty two years of age, and he reigned ten years.