The portrait of an unknown "Young Woman and Her Little Boy" ca. 1540 by Bronzino (Agnolo di Cosimo di Mariano). Art historian Maike Vogt-Lüerssen believes the woman is Maria de' Medici, depicted with her younger brother Antonio.
"A sketch of Amalia von Kleve, sister of Anna of Kleve's, by Hans Holbein. Both Anna and her sister Amalia were sketched by Holbein, since they were both being considered as potential candidates for King Henry VIII's fourth wife.
The Man in a Red Turban by Jan Van Eyck (c. The exact person depicted has never been identified, but it is widely thought that it is a self-portrait of Van Eyck himself. 1433 oil on wood in National Gallery, London, UK