Deuteronomy 21:15-17

Coverdale(i) 15 Yf a man haue two wyues, one that he loueth, and one that he hateth, and they beare him children, both the beloued and the hated, 16 so that the firstborne be hirs that is hated, and the tyme commeth that he dealeth out the inheritaunce vnto his children, then can he not make the sonne of ye beloued firstborne before the firstborne sonne of the hated, 17 but he shall knowe the sonne of the hated for ye first sonne, so that he geue him dubble of all that is at hande: for the same is ye begynnynge of his strength, & the firstbyrthrighte is his.