“birthright” in the Douay-Rheims Bible

The word birthright appears 9 times in the Douay-Rheims Bible. The first 9 matching verses are shown below.

Genesis 25:31 And Jacob said to him: Sell me thy first birthright.
Genesis 25:32 He answered: Lo I die, what will the first birthright avail me?
Genesis 25:33 Jacob said: Swear therefore to me. Esau swore to him, and sold his first birthright.
Genesis 25:34 And so taking bread and the pottage of lentils, he ate, and drank, and went on his way; making little account of having sold his first birthright.
Genesis 27:36 But he said again: Rightly is his name called Jacob; for he hath supplanted me lo this second time: My birthright he took away before, and now this second time he hath stolen away my blessing. And again he said to his father: Hast thou not reserved me also a blessing?
Genesis 43:33 They sat before him, the firstborn according to his birthright, and the youngest according to his age. And they wondered very much;
1 Paralipomenon 5:1 Now the sons of Ruben the firstborn of Israel, (for he was his firstborn: but forasmuch as he defiled his father’s bed, his first birthright was given to the sons of Joseph the son of Israel, and he was not accounted for the firstborn.
1 Paralipomenon 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.)
Hebrews 12:16 Lest there be any fornicator or profane person, as Esau who for one mess sold his first birthright.