Duchess Marie Gabrielle in Bavaria (German: Marie Gabrielle Mathilde Isabelle Therese Antoinette Sabine Herzogin in Bayern; 9 October 1878 in Tegernsee, Bavaria – 24 October 1912 in Sorrento, Italy)[1] was the youngest daughter of Duke Karl Theodor in Bavaria and his second wife, Infanta Maria Josepha of Portugal. She married Prince Rupprecht of Bavaria in 1900 but died before he became Crown Prince. Through her second son Albrecht, Marie Gabrielle was the grandmother of the present Duke of Bavaria, Franz