The following is the results of your search for Aaronites.
Aaronites: The descendants of Aaron, and therefore priests. Jehoiada, the father
of Benaiah, led 3,700 Aaronites as "fighting men" to the support of
David at Hebron
(1 Chronicles 12:27) Eleazar
(Numbers 3:32) and at a later period
(1 Chronicles 27:17) was their chief.