Genesis 25:18
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.
Cross-reference
In Genesis 16:12, the same phrase 'in the presence of all his brethren' prophesies Ishmael's hostile character, fulfilled at his death here.
In Genesis 2:11, the Pishon river encircles Havilah, a gold-rich region — the same territory marking Ishmael's descendants' settlement boundary.
In Genesis 10:7, Havilah appears among Cush's descendants in the Table of Nations, identifying peoples of that same territory.
In Genesis 21:21, Ishmael settles in Paran with an Egyptian wife — foreshadowing his descendants' territory extending toward Egypt.
Genesis 16:7 locates the angel's encounter with Hagar by the way to Shur — the identical wilderness marking Ishmael's territory.
In Genesis 20:1, Abraham sojourns 'between Kadesh and Shur,' the same wilderness region marking Ishmael's western boundary.
In 1 Samuel 15:7, the identical phrase 'from Havilah to Shur' describes the region of Saul's campaign, mirroring Ishmael's territory.
Exodus 15:22 mentions Israel traveling through the wilderness of Shur — the same region that defines Ishmael's dwelling.