Numbers 1:8

1:8 from Issachar, Nethanel son of Zuar;

Numbers 1:28-29

1:28 From the descendants of Issachar: According to the records of their clans and families, all the males twenty years old or older who could serve in the army were listed by name. 1:29 Those of them who were numbered from the tribe of Issachar were 54,400.