Ramban on Vaeira 6:14

English: THESE ARE THE HEADS OF THEIR FATHERS’ HOUSES: THE SONS OF REUBEN…. Scripture did not wish to begin with the statement, And these are the names of the sons of Levi according to their generations , 80 Verse 16. so that it should not appear that henceforth in honor of Moshe, Levi is first in genealogy. Instead, [Scripture therefore] mentioned Levi’s elder brothers, [i.e., Reuben and Simeon], and that Levi is counted third. Now Scripture mentioned the sons of Levi according to their generations 80 Verse 16. because in the case of Reuben and Simeon, it mentioned only those who went down to Egypt with them, but in the case of Levi it mentioned his children, the number of years of his life, the birth of the fathers of the prophets — [namely, Kohath the grandfather, and Amram the father of Moshe a