sons according to # 02_EXO_29_35 # And thus shalt thou do unto Aaron, and to his sons, according to all [things] which I have commanded thee: seven days shalt thou consecrate them. 
sons according to # 04_NUM_03_51 # And Moses gave the money of them that were redeemed unto Aaron and to his sons, according to the word of the LORD, as the LORD commanded Moses.