Numbers 26:20
These were the descendants of Judah by their clans:
What it says
The descendants of Judah are then listed by their clans.
What it is doing
It resumes the formal census pattern.
In context
19The sons of Judah were Er and Onan, but they died in the land of Canaan. 20These were the descendants of Judah by their clans: 21And these were the descendants of Perez: 22These were the clans of Judah, and their registration numbered... 76,500.