Albert Barnes Commentary 2 Chronicles 31:18

"and them that were reckoned by genealogy of all their little ones, their wives, and their sons, and their daughters, through all the congregation: for in their office of trust they sanctified themselves in holiness." — 2 Chronicles 31:18 (ASV)

And to the genealogy of all their little ones ... - Or, “As for the list of all their little ones, their wives, their sons, and their daughters, it included the entire congregation, for they handled the holy things faithfully.”