Bible Verses About Birthright: Forfeited by Reuben

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.

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