Deuteronomy 21:15

Deu 21:15 If a man have two wives, one beloved, and another hated, and they have born him children, [both] the beloved and the hated; and [if] the firstborn son be hers that was hated:

Ver. 15. And another hated, ] i.e., Less loved, as Genesis 29:31 . See Trapp on " Gen 29:31 "