Genesis 25:18

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.

¹⁷  And these are the years of the life of Ishmael, an hundred and thirty and seven years: and he gave up the ghost and died; and was gathered unto his people.

¹⁸  And they dwelt from Havilah unto Shur, that is before Egypt, as thou goest toward Assyria: and he died in the presence of all his brethren.

¹⁹  And these are the generations of Isaac, Abraham's son: Abraham begat Isaac:

²⁰  And Isaac was forty years old when he took Rebekah to wife, the daughter of Bethuel the Syrian of Padanaram, the sister to Laban the Syrian.