Exodus 29:15

29:15 “You are to take one ram, and Aaron and his sons are to lay their hands on the ram’s head,

Exodus 29:19

29:19 “You are to take the second ram, and Aaron and his sons are to lay their hands on the ram’s head,

Exodus 40:31

40:31 Moses and Aaron and his sons would wash their hands and their feet from it.