Genesis 37:3-4 Now Israel loved Joseph more than all his children, because he was the son of his old age. Also he made him a tunic of many colors. But when his brothers saw that their father loved him more than all his brothers, they hated him and could not speak peaceably to him.
Genesis 30:1 Now when Rachel saw that she bore Jacob no children, Rachel envied her sister, and said to Jacob, 'Give me children, or else I die!'
Genesis 30:15 But she said to her, “Is it a small matter that you have taken away my husband? Would you take away my son’s mandrakes also?” And Rachel said, “Therefore he will lie with you tonight for your son’s mandrakes.”
