民數記 26:11 註釋：Rashi, Ibn Ezra, Or HaChaim & Rabbeinu Bahya

ובני קרח לא מתו BUT THE SONS OF KORAH DID NOT DIE — They were in the plot originally, but at the moment when the rebellion broke out they had thoughts of repentance in their hearts; therefore a high spot was fenced round for them in Gehinnom and they stayed there (Sanhedrin 110a).

But the sons of Korach did not die. The testimony to this is Shmuel and his sons and sons’ sons, who were the singers (see Divrei HaYamim I 6:18-22), and they were called the Korachites (Divrei HaYamim II 20:19), also: “For the conductor, by the sons of Korach, a song” (Tehillim 49:1). Additionally, in the Torah it is written (v. 58) “and the Korachite family” as well. Scripture mentioned the sons of Korach together with the sons of Reuven because all the sons of Dasan and Aviram died, even the minors. Thus, the evil that befell Dasan and Aviram was worse than that of Korach.

ובני קרח לא מתו. However, Korach's sons had not died. It is somewhat surprising that the Torah informs us about this fact here instead of in the story about Korach or in connection with the count of the Levites where we should have been told about which Levites had died. If you accept what we have written it is evident that the Torah chose this occasion to reveal who was the root-cause of Korach's uprising, i.e. Datan and Aviram. If so this was the place to inform us about some other redeeming quality of Korach, namely that his sons were righteous and did not join their father in his rebellion or that they retracted in time. At any rate, whereas Datan and Aviram and all their "houses," i.e. their offspring perished, Korach's sons did not. This is another factor which supports the theory that Datan and Aviram had been the instigators all along.