Genesis 47:26

23 Then Joseph said to the people, I have made you and your land this day the property of Pharaoh; here is seed for you to put in your fields.

24 And when the grain is cut, you are to give a fifth part to Pharaoh, and four parts will be yours for seed and food, and for your families and your little ones.

25 And they said to him, Truly you have kept us from death; may we have grace in your eyes, and we will be Pharaoh's servants.

26 Then Joseph made a law which is in force to this day, that Pharaoh was to have the fifth part; only the land of the priests did not become his.

27 And so Israel was living among the Egyptians in the land of Goshen; and they got property there, and became very great in numbers and in wealth.

28 And Jacob was living in the land of Goshen for seventeen years; so the years of his life were a hundred and forty-seven.

29 And the time of his death came near, and he sent for his son Joseph and said to him, If now I am dear to you, put your hand under my leg and take an oath that you will not put me to rest in Egypt;