These are the names of the sons of Aaron: Nadab the firstborn, then Abihu, Eleazar, and Ithamar.
Here, I. The family of Aaron is confirmed in the priests' office, Num 3:10. They had been called to it before, and consecrated; here they are appointed to wait on their priests' office: the apostle uses this phrase (Rom 12:7), Let us wait on our ministry.
Commenting on Numbers 3:1-13
And these are the names of the sons of Aaron,.... The Targum of Jonathan adds, disciples of Moses, the master of the Israelites; none of the posterity of Moses being expressly, named; Jarchi observes, that the sons of Aaron are called the generations of Moses, because he taught them the law; for whoever, he says, teaches his neighbour's son, the law, the Scripture accounts of...
And these are the names of the sons of Aaron--All the sons of Aaron, four in number, were consecrated to minister in the priest's office. The two oldest enjoyed but a brief term of office (Lev 10:1-2; Num 3:4; Num 26:61); but Eleazar and Ithamar, the other two, were dutiful, and performed the sacred service during the lifetime of their father, as his assistants, and under his superintendence.