John Gill Commentary Genesis 36:38

"And Shaul died, and Baal-hanan the son of Achbor reigned in his stead." — Genesis 36:38 (ASV)

And Saul died
About A. M. 2325;

and Baalhanan the son of Achbor reigned in his stead :
whose name, inverted, is observed by Grotius to be the same with Hannibal; it signifies a gracious lord or king.