TSK · Numbers 3:32

“The appointed responsibility of Eleazar son of Aaron the priest is for the oil for the light, and the spiced incense, and the daily grain offering, and the anointing oil; he also has the appointed responsibility over all the tabernacle with all that is in it, over the sanctuary and over all its furnishings.”

those of them numbered by their families, by their clans, were 2,630.

Take Aaron and Eleazar his son, and bring them up on Mount Hor.

From the Levites:Shemaiah son of Hasshub, son of Azrikam, son of Hashabiah a descendant of Merari;

who was the son of Abishua, who was the son of Phinehas, who was the son of Eleazar, who was the son of Aaron the chief priest.