Exodus 17:13

Timna was a concubine of Esau’s son Eliphaz, and she bore Amalek to Eliphaz. These are the sons of Esau’s wife Adah.

So Moses arose with Joshua his attendant, and Moses went up to the mountain of God.

“Remember what Amalek did to you along the way when you came out from Egypt,

Then Yahweh said to Joshua, “Stretch out the javelin that is in your hand toward Ai, for I will give it into your hand.” So Joshua stretched out the javelin that was in his hand toward the city.

“Thus says Yahweh of hosts, ‘I will punish Amalek for what he did to Israel, how he set himself against him on the way while he was coming up from Egypt.

and they will fall by the edge of the sword, and will be led captive into all the nations, and Jerusalem will be trampled under foot by the Gentiles until the times of the Gentiles are fulfilled.