Genesis 25:16-18

16These were the sons of Ishmael, and these are the names of the twelve tribal rulers according to their settlements and camps. 17Ishmael lived a hundred and thirty-seven years. He breathed his last and died, and he was gathered to his people. 18His descendants settled in the area from Havilah to Shur, near the eastern border of Egypt, as you go toward Ashur. And they lived in hostility toward all the tribes related to them.