Matthew Poole and continuators on 1 Chronicles 9:9

9 And their brethren according to their generarations, nine hundred and fifty and six . All these men were chief of the fathers in the house of their fathers.

They are reckoned but 928. in Neh. 11. 8. either because there he mentions onely those that were by Lot determined to dwell at Ierusalem, to whom he here adds those who freely offered themselves to it; see Neh. 11. 1, 2. because some of the persons and Families first placed there were dead or extinguished, or else removed from Ierusalem upon some emergent Occasion.