Book of Jasher 57:1
And it was after this that the sons of Esau waged war with the sons of Jacob, and the sons of Esau fought with the sons of Jacob in Hebron, and Esau was still lying dead, and not buried.
And it was after this that the sons of Esau waged war with the sons of Jacob, and the sons of Esau fought with the sons of Jacob in Hebron, and Esau was still lying dead, and not buried.