בְּנֵ֣י שִׁמְעוֹן֮ לְמִשְׁפְּחֹתָם֒ לִנְמוּאֵ֗ל מִשְׁפַּ֙חַת֙ הַנְּמ֣וּאֵלִ֔י לְיָמִ֕ין מִשְׁפַּ֖חַת הַיָּמִינִ֑י לְיָכִ֕ין מִשְׁפַּ֖חַת הַיָּכִינִֽי׃
The sons of Simeon after their families: of Nemuel, the family of the Nemuelites; of Jamin, the family of the Jaminites; of Jachin, the family of the Jachinites;
Rabbeinu Bahya
Chizkuni
לנמואל, this person is the same as the one who appears elsewhere with the name ימואל. (Genesis 46,10, i.e. ובני שמעון ימואל)