Genesis 35:22

35:22 It happened, while Israel lived in that land, that Reuben went and lay with Bilhah, his father's concubine, and Israel heard of it. Now the sons of Jacob were twelve.
-World English Bible

Other Translation

35:22 And it came to pass, when Israel dwelt in that land, that Reuben went and lay with Bilhah his father's concubine: and Israel heard [it]. Now the sons of Jacob were twelve:
-King James Version