Cross reference
Numbers 26:23
23 The sons of Issachar by their families: of Tola, the family of the Tolaites: of Puvah, the family of the Punites:
Genesis 46:13
13 And the sons of Issachar: Tola and Puah and Job and Shimron;
1 Chronicles 7:1
1 And of the sons of Issachar: Tola and Puah, Jashub and Shimron, four.
Genesis 30:17-18
17 And God gave ear to her and she became with child, and gave Jacob a fifth son.
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.
Numbers 2:5
5 And nearest to him will be the tribe of Issachar, with Nethanel, the son of Zuar, as their chief.