Numbers 9:6

And there were certain men who were unclean through touching a dead body , so that they could not keep the Passover on that day , and they came before Moses and Aaron on that day .

But some of them could not celebrate the Passover on that day because they were ceremonially unclean on account of a dead body. So they came to Moses and Aaron that same day

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 :