Philo Judaeus De Virtutibus 208

[208] Again, to the one who was approved of as the heir, there were born two sons, twins, resembling one another in no particular except in the hands, and even in them only by some especial providence of God, inasmuch as they were alike neither in their bodies nor in their minds, for the younger one was obedient to both his parents, and was really amiable and pleasing, so that he obtained the praises even of God; while the elder was disobedient, being intemperate in respect of the pleasures of the belly and of the parts beneath the belly, by a regard for which he was induced even to part with his birth-right, as far as he himself was concerned, though he repented immediately afterwards of the conditions on which he had forfeited it, and sought to slay his brother, and, in fact, to do everything imaginable by which he could be likely to pain his ¹ parents;