Book of Jasher 30:17
And in the third year of Jacob's dwelling in Haran, Bosmath, the daughter of Ishmael, the wife of Esau, bare unto him a son, and Esau called his name Reuel.
And in the third year of Jacob's dwelling in Haran, Bosmath, the daughter of Ishmael, the wife of Esau, bare unto him a son, and Esau called his name Reuel.