The pictorial decoration of the Oratory of the Crucifix adjoining the church of San Polo carried out between 1747 and 1749 is the first work by Giandomenico Tiepolo (1727-1804), the son and student of Giambattista.
A late eighteenth-century inventory held in the patriarchal archive in Venice - which lists the paintings then in the oratory in their original order - shows that Giandomenico consigned twenty-four canvases to the parish priest, Bartolomeo Carminati, who directed the rebuilding of the room financed mainly by the charity of the faithful. In addition to the series showing the fourteen stations of the Via Crucis and the ceilings with Christ's Resurrection and the Glory of Angels, they included two paintings (both lost) - an Adoration of the Magi and a Death of St Joseph - which hung at the sides of the chapel with the altar, above the walled up doors, and six pictures of saints. All that survives of the latter are St Vincent Ferrer Preaching to the Masses, the Martyrdom of St John of Nepomuk Drowned in the Moldau, St Philip Neri Praying and St Macarius and St Helen Finding the True Cross. The paintings showing St Margaret of Cortona and St Vincent de Paul, which were originally on the left wall looking at the altar, have been lost.