Numbers 9:6

9:6 There were certain men, who were unclean because of the dead body of a man, so that they could not keep the Passover on that day, and they came before Moses and before Aaron on that day.
-World English Bible

Other Translation

9:6 And there were certain men, who were defiled by the dead body of a man, that they could not keep the passover on that day: and they came before Moses and before Aaron on that day:
-King James Version