Francesco Filetto was a jurist and an orator in Venice during the sixteenth century. He commissioned the double portrait of himself and his son from Titian; the work has been cut into two sections.
Vasari, Giorgio. Lives of the Most Eminent Painters Sculptors & Architects: Volume IX, trans. Gaston C. du Vere. London: Macmillan & Medici Society, 1912-14, p. 176.