Exodus 40:31
And Moses and Aaron and his sons washed their hands and their feet thereat:
Cross-references
Exodus 30:19
Citation
Exodus 30:19 is the original command for Aaron's sons to wash hands and feet, which this verse fulfills.
John 13:10
Allusion
In John 13:10, Jesus cites foot-washing as symbol of complete cleansing, echoing the hand-and-foot washing here.
Psalm 26:6
Allusion
Psalm 26:6 uses hand-washing as a sign of innocence, echoing the priests' purification rite performed here.