American Standard Version (ASV):
But Amnon had a friend, whose name was Jonadab, the son of Shimeah, David’s brother; and Jonadab was a very subtle man.
King James Version (KJV):
But Amnon had a friend, whose name [was] Jonadab, the son of Shimeah David’s brother: and Jonadab [was] a very subtil man.