Numbers 27:13

Aaron : a son of Amram; brother of Moses,son of Amram (Kohath Levi); patriarch of Israel's priests,the clan or priestly line founded by Aaron

Numbers 31:2

Israel : a citizen of Israel.,a member of the nation of Israel

Midianite : resident(s) of the region of Midian
(31° 24´, 35° 6´); (28° 55´, 34° 54´)