Genesis 27:40 - The Yoke Of The Edomites

And by thy sword shalt thou live, and shalt serve thy brother; and it shall come to pass when thou shalt have the dominion, that thou shalt break his yoke from off thy neck.

Esau had the dominion when Esau and Jacob met for their first time after Jacob fled to Padanaram (Genesis 33:3). In process of time, the Edomites (the descendants of Esau, Genesis 36:1) served the Tribe of Judah but gained their freedom during the time of King Joram (2 Kings 8:20).