Jonadab: 2 Samuel 13:3-5
Shimeah: 1 Samuel 16:9, Shammah
David's brother: This was a very bad man. He had given his cousin Amnon the most detestable advice; and here speaks coolly of a most bloody tragedy of which he had been the cause.
appointment: Heb. mouth
determined: or, settled, Genesis 27:41; Psalms 7:14; Proverbs 24:11-12