Deuteronomy 21:15 (KJV)
If a manhave two wives one belovedand another hatedand they have bornhim childrenboth the belovedand the hatedand if the firstborn sonbe hers that was hated
If a manhave two wives one belovedand another hatedand they have bornhim childrenboth the belovedand the hatedand if the firstborn sonbe hers that was hated