Exodus 40:31 in the King James Version
And Moses and Aaron and his sons washed their hands and their feet thereat:
Context
30 He set the basin between the Tent of Meeting and the altar, and put water therein, with which to wash.
31 Moses, Aaron, and his sons washed their hands and their feet there.
32 When they went into the Tent of Meeting, and when they came near to the altar, they washed, as the LORD commanded Moses.