John Gill Commentary Nehemiah 3:23

"After them repaired Benjamin and Hasshub over against their house. After them repaired Azariah the son of Maaseiah the son of Ananiah beside his own house." — Nehemiah 3:23 (ASV)

After him
The last of the priests before mentioned:

repaired Benjamin, and Hashub, over against their house ;
as much of the wall as the length of their house, or houses, were:

after him repaired Azariah the son of Maaseiah, the son of Ananiah, by
his house :
as far as that reached.