Caterina Sforza (1463 – 1509). Italian noblewoman and Countess of Forlì and Lady of Imola firstly with her husband Girolamo Riario, and after his death as a regent of her son Ottaviano. Her son was Ludovico de' Medici and her third husband Giovanni il Popolano. Mother of Bianca Riario.
Rainessance historian Maike Vogt-Lüerssen, Caterina Sforza was the
sitter for many important paintings of her period.
More pictures here http://www.kleio.org/en/history/famtree/vip/073/…