Focus on Woman Holding an Apple and discuss the Analysis.
In 1940, it was published in The Art News as "Portrait of a Lady in Green, presumably Giulia di Gonzaga-Colonna, Duchess of Traeetto". In 1941, the Duveen Brothers titled it "Portrait of Giulia di Gonzaga-Colonna [Presumed]". The tentative identification with the Italian noblewoman of that name is not accepted today, and cannot be sustained with any historical source. Indeed, it may not represent a particular woman in the traditional sense of portraiture, but rather an idealised form of female beauty. The model may be Lavinia, Titian's daughter, who is known to have posed for several of his pictures.
Titian The Art News of that name