Numbers 2:5

2:5 Those who will be camping next to them are the tribe of Issachar. The leader of the people of Issachar is Nethanel son of Zuar.

Numbers 7:18

7:18 On the second day Nethanel son of Zuar, leader of Issachar, presented an offering.

Numbers 10:15

10:15 Over the company of the tribe of Issacharites was Nathanel son of Zuar,