Probably Cosimo I de’ Medici (d. 1574), Florence [it is almost certainly identical with the study described in Le vite de’ più eccellenti pittori, scultori e architettori scritte da Giorgio Vasari, ed. Gaetano Milanesi, vol. 6, Florence, 1881, p. 278]. William Ward (d. 1885), 1st Earl of Dudley, London, by 1854 [described by Waagen 1854, as by Pontormo]; his son William Humble Ward, 2nd Earl of Dudley, sold Christie’s, London, June 25, 1892, no. 46, as Giovanni Bellini for £180, to Durand-Ruel, acting on behalf of Martin A. Ryerson [annotated catalogue , Ryerson Library, and letter from Durand-Ruel to Ryerson, June 25, 1892 in AIC Archives]; Martin A. Ryerson (d. 1932), Chicago, from 1892; on loan to the Art Institute from 1930; bequeathed to the Art Institute, 1933.