And the sons of Korach did not die.
Torah Temimah: Yerushalmi Bava Basra 8:2
Sefaria — Yerushalmi Bava Basra 8:2
English: It was taught: the sons of Korach’s congregation took a portion in the land by the merit of their father’s father and of their mothers’ fathers, as it is written “and the sons of Korach did not die.”
Inheritance rights despite the father’s rebellion.
Survival and land rights for Korach’s sons rest on earlier ancestral merit.