Genesis 30:18
And Leah said, God has given me my hire, because I gave my slave to my husband. And she called his name Issachar.
Genesis 35:23
The sons of Leah: Reuben, Jacob's first-born, and Simeon, and Levi, and Judah, and Issachar, and Zebulun.
Genesis 46:13
And the sons of Issachar: Tola, and Phuvah, and Job, and Shimron.
Genesis 49:14-15
Issachar is a strong ass crouching down between the sheepfolds.
Deuteronomy 33:18
And of Zebulun he said, Rejoice, Zebulun, in your going out, and Issachar in your tents.
1 Chronicles 12:32
And from the sons 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 command.