And these are the generations of Ishmael, Abraham's son, whom Hagar the Egyptian, Sarah's bondwoman, bore to Abraham.
And these are the names of the sons of Ishmael by their names according to their generations: Nebaioth, the firstborn of Ishmael; and Kedar, and Adbeel, and Mibsam,
and Mishma, and Dumah, and Massa,
Hadad and Tema, Jetur, Naphish and Kedmah.
These are the sons of Ishmael, and these are their names, in their hamlets and their encampments -- twelve princes of their peoples.
And these are the years of the life of Ishmael: a hundred and thirty-seven years; and he expired and died, and was gathered to his peoples.
And they dwelt from Havilah to Shur, which is opposite to Egypt, as one goes towards Assyria. He settled before the face of all his brethren.
References for Genesis 25:18