Numbers 9:6 in the King James Version
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:
Context
5 They kept the Passover in the first month, on the fourteenth day of the month at evening, in the wilderness of Sinai. According to all that the LORD commanded Moses, so the children of Israel did.
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 Aaron on that day.
7 Those men said to him, “We are unclean because of the dead body of a man. Why are we kept back, that we may not offer the offering of the LORD in its appointed season among the children of Israel?”