Who were ishmaels sons?

Ishmael, a figure from The Bible and the Quran, had twelve sons according to the biblical narrative in Genesis 25:13-16. Their names are Nebaioth, Kedar, Adbeel, Mibsam, Mishma, Dumah, Massa, Hadad, Tema, Jetur, Naphish, and Kedemah. These sons are traditionally associated with various tribes and peoples in the Arabian Peninsula. Ishmael is often regarded as a patriarch of the Arab nations.