Genesis 30:18; Genesis 35:23; Genesis 46:13; Genesis 49:14

Genesis 30:18

18 Then Leah said, "God has given me my wages because I gave my maid to my husband." So she named him Issachar.

Genesis 35:23

23 the sons of Leah: Reuben, Jacob's firstborn, then Simeon and Levi and Judah and Issachar and Zebulun;

Genesis 46:13

13 The sons of Issachar: Tola and Puvvah and Iob and Shimron.

Genesis 49:14

14 "Issachar is a strong donkey, Lying down between the sheepfolds.