These sought their register, that is, the genealogy, but it was not found; therefore were they deemed polluted and put from the priesthood.
King James Version (KJV) - Nehemiah 7:64 >These sought their register [among] those that were reckoned by genealogy, but it was not found: therefore were they, as polluted, put from the priesthood.
Berean Study Bible (BSB) - Nehemiah 7:64 >These men searched for their family records, but they could not find them and so were excluded from the priesthood as unclean.