Genesis 37:2

37:2 This is the history of the generations of Jacob. Joseph, being seventeen years old, was feeding the flock with his brothers. He was a boy with the sons of Bilhah and Zilpah, his father's wives. Joseph brought an evil report of them to their father.
-World English Bible

Other Translation

37:2 These [are] the generations of Jacob. Joseph, [being] seventeen years old, was feeding the flock with his brethren; and the lad [was] with the sons of Bilhah, and with the sons of Zilpah, his father's wives: and Joseph brought unto his father their evil report.
-King James Version