Jacopo Tintoretto (1518-94), Christ Washes the Feet of the Apostles

Oil on canvas, 80.5 in (204.5 cm.) x 161.5 in (410.2 cm.)
National Gallery, London

Christ's intention to wash Peter's feet leads to the colloquy recorded in John 13:6-9.

More of the Last Supper

Source: Wikimedia Commons