[13] And these are the names of the sons of Ishmael, by their names, according to their generations: the firstborn of Ishmael, Nebajoth; and Kedar, and Adbeel, and Mibsam, [14] And Mishma, and Dumah, and Massa, [15] and Tema, Jetur, Naphish, and Kedemah: [16] These are the sons of Ishmael, and these are their names, by their towns, and by their castles; twelve princes according to their nations.