John Gill Commentary 2 Kings 19:37

"And it came to pass, as he was worshipping in the house of Nisroch his god, that Adrammelech and Sharezer smote him with the sword: and they escaped into the land of Ararat. And Esar-haddon his son reigned in his stead." — 2 Kings 19:37 (ASV)

(See Gill on 2 Kings 19:1)