Exodus 28:4

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

Exodus 28:30

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

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

Thummim : a system (or device) to obtain divine guidance (IBD)

Urim : a device to discern divine guidance, used with the "Thummim"