Died not — God being pleased to spare them, because they disowned their father's fact, and separated themselves both from his tent and company. Hence the sons of Korah are mentioned, 1 Chronicles 6:22, 1 Chronicles 6:38, and often in the book of Psalms.
Related Commentaries of Numbers 26:11
Numbers 26:11
11 Notwithstanding the children of Korah died not.