Numbers 16:1-2

¹One day Korah, who was the son of Izhar and a descendant of Levi's son Kohath, conspired with Dathan and Abiram, who were the sons of Eliab, and On, who was the son of Peleth. Those three men were from the tribe of Reuben.

²Korah and those other three men incited 250 other people who were leaders among the Israeli people to join them in rebelling against Moses/me.