Jeiel, Mattithiah, Zabad and Zebina came from the family line of Nebo. So did Jaddai, Joel and Benaiah.
Shallum, Amariah and Joseph.
There were 52 from Nebo.
There were 52 from the other Nebo.
They also built up Nebo, Baal Meon and Sibmah. They gave new names to the cities they had built up.