Genesis 37:2

37:2 This is the account of Jacob.

Joseph, his seventeen-year-old son, was taking care of the flocks with his brothers. Now he was a youngster working with the sons of Bilhah and Zilpah, his father’s wives. Joseph brought back a bad report about them to their father.

Genesis 37:4

37:4 When Joseph’s brothers saw that their father loved him more than any of them, they hated Joseph and were not able to speak to him kindly.