Nemuel, called Jemuel, Genesis 46:10 Exodus 6:15. Jachin, called also Jarib, 1 Chronicles 4:24. And such names might be either added or changed upon some special occasion not recorded in Scripture.
Related Commentaries of Numbers 26:12
Numbers 26:12
12 The sons of Simeon after their families: of Nemuel,a the family of the Nemuelites: of Jamin, the family of the Jaminites: of Jachin, the family of the Jachinites: