Genesis 25:16

These are the sons of Ishmael ,.... The twelve before mentioned, Genesis 25:13 ,

these are their names, by their towns and by their castles ; their towns and their castles being called after their names, some of which we are able to trace at this distance, as the above notes show:

twelve princes according to their nations ; these were princes, or heads of tribes, and there were twelve of them, and continued so, see Genesis 17:20 ; where is the prophecy, and here an accomplishment of it.