Portrait of Bianca Ponzoni Anguissola or Lady in White^[1] is an oil-on canvas-painting created in 1557 by the Italian Renaissance painter Sofonisba Anguissola. It is a portrait of the artist's mother.^[2][3] It is now in the Gemäldegalerie, Berlin.^[4] It is securely identified as the artist's mother, since it reuses two elements from The Game of Chess, Lucia's pearl headdress and Minerva/Elena's necklace^[5] Under the arm of the chair are the signature and date "Sophonisba Angussola Virgo F. 15.5.7".