Cross reference
Genesis 30:18
18 Leah said, "God has given me my hire, because I gave my handmaid to my husband." She named him Issachar.
Genesis 35:23
23 The sons of Leah: Reuben (Jacob's firstborn), Simeon, Levi, Judah, Issachar, and Zebulun.
Genesis 46:13
13 The sons of Issachar: Tola, Puvah, Iob, and Shimron.
Genesis 49:14-15
14 "Issachar is a strong donkey, Lying down between the saddlebags.
15 He saw a resting-place, that it was good, The land, that it was pleasant; He bows his shoulder to the burden, And becomes a servant doing forced labor.
Deuteronomy 33:18
18 Of Zebulun he said, Rejoice, Zebulun, in your going out; Issachar, in your tents.
1 Chronicles 12:32
32 Of the children of Issachar, men who had understanding of the times, to know what Israel ought to do, the heads of them were two hundred; and all their brothers were at their commandment.