New Revised Standard Version
then on the day when he wills his possessions to his sons, he is not permitted to treat the son of the loved as the firstborn in preference to the son of the disliked, who is the firstborn.

New American Bible
when he comes to bequeath his property to his sons he may not consider as his firstborn the son of the wife he loves, in preference to the son of the wife he does not love, the firstborn.

Douay-Rheims Bible
And he meaneth to divide his substance among his sons: he may not make the son of the beloved the firstborn, and prefer him before the son of the hated.

And he meaneth to divide his substance among his sons: he may not make the son of the beloved the firstborn, and prefer him before the son of the hated.

1 Chronicles 5:2 But of the race of Juda, who was the strongest among his brethren, came the princes: but the first birthright was accounted to Joseph.)

1 Chronicles 26:10 And of Hosa, that is, of the sons of Merari: Semri the chief, (for he had not a firstborn, and therefore his father made him chief.)

2 Chronicles 11:19-22 And they bore him sons Jehus, and Somorias, and Zoom. . . .

2 Chronicles 21:3 And their father gave them great gifts of silver, and of gold, and pensions, with strong cities in Juda: but the kingdom he gave to Joram, because he was the eldest.

Romans 8:29 For whom he foreknew, he also predestinated to be made conformable to the image of his Son: that he might be the Firstborn amongst many brethren.

Philippians 4:8 For the rest, brethren, whatsoever things are true, whatsoever modest, whatsoever just, whatsoever holy, whatsoever lovely, whatsoever of good fame, if there be any virtue, if any praise of discipline: think on these things.

Hebrews 12:16,17 Lest there be any fornicator or profane person, as Esau who for one mess sold his first birthright. . . .