The Lord was very angry with Aaron, angry [enough] to destroy him, so I also prayed for Aaron at the same time.

Of Levi he said,

“Your Thummim and Your Urim belong to Your godly man [Aaron],
Whom You tested and proved at Massah,
With whom You contended at the waters of Meribah;

(Now the sons of Israel traveled from the wells of the sons of Jaakan to Moserah. There Aaron died and there he was buried and Eleazar his son ministered as priest in his place.