Genesis 36:16

Korah, Gatam, and Amalek.
These are the chiefs of Eliphaz
in the land of Edom.
These are the sons of Adah.

Then the chiefs of Edom will be terrified;
trembling will seize the leaders of Moab;
the inhabitants of Canaan will panic;

Treasury of Scripture Knowledge

Duke Korah, duke Gatam, and duke Amalek: these are the dukes that came of Eliphaz in the land of Edom; these were the sons of Adah.

At Rephidim, Amalek

came and fought against Israel.