Cross reference
Genesis 30:18
18 Then Leah said, God has made payment to me for giving my servant-girl to my husband: so she gave her son the name Issachar.
Genesis 35:23
23 Now Jacob had twelve sons: the sons of Leah: Reuben, Jacob's first son, and Simeon and Levi and Judah and Issachar and Zebulun;
Genesis 46:13
13 And the sons of Issachar: Tola and Puah and Job and Shimron;
Genesis 49:14-15
14 Issachar is a strong ass stretched out among the flocks:
15 And he saw that rest was good and the land was pleasing; so he let them put weights on his back and became a servant.
Deuteronomy 33:18
18 And of Zebulun he said, Be glad, Zebulun, in your going out; and, Issachar, in your tents.
1 Chronicles 12:32
32 And of the children of Issachar, there were two hundred chiefs, men who had expert knowledge of the times and what it was best for Israel to do, and all their brothers were under their orders.