§ 02 · King James Bible
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.
Simple English
Some people looked for their family record with others who had similar ancestry, but they couldn't find it. So, they were considered unclean and removed from being priests.
* Work in progress - there may be occasional inaccuracies