Bible Verses About Reuben: Commits incest with one of his father's concubines, and, in consequence, forfeits the birthright

Now, when Israel dwelt in that land, Reuben went, and lay with Bilhah his fathers concubine, and it came to Israels eare. And Iaakob had twelue sonnes.

Thou wast light as water: thou shalt not be excellent, because thou wentest vp to thy fathers bed: then diddest thou defile my bed, thy dignitie is gone.

The sonnes also of Reuben the eldest sonne of Israel (for he was the eldest, but had defiled his fathers bed, therefore his birthright was giuen vnto the sonnes of Ioseph the sonne of Israel, so that the genealogie is not rekoned after his birthright.