וְלִבְנֵ֥י לֵוִ֖י הַנּוֹתָרִ֑ים לִבְנֵ֤י עַמְרָם֙ שֽׁוּבָאֵ֔ל לִבְנֵ֥י שׁוּבָאֵ֖ל יֶחְדְּיָֽהוּ׃
Und von den übrigen Söhnen Levis: von den Söhnen Amrams Shubael; von den Söhnen Shubaels Jehdeja.
Rashi
in the watches as we find (in I Chronicles from ch. 24 on) that the Levites were divided into twenty- four watches.