TSK · Numbers 3:32

"The duty of Eleazar the son of Aaron the priest shall be the oil for the light, the sweet incense, the continual meal offering, and the anointing oil, the requirements of all the tabernacle, and of all that is in it, the sanctuary, and its furnishings."

even those who were numbered of them, by their families, by their fathers' houses, were two thousand six hundred thirty.

Take Aaron and Eleazar his son, and bring them up to Mount Hor;

Of the Levites: Shemaiah the son of Hasshub, the son of Azrikam, the son of Hashabiah, of the sons of Merari;

the son of Abishua, the son of Phinehas, the son of Eleazar, the son of Aaron the chief priest;