丕平
Gisela (757, Aachen, Cologne, North Rhine-Westphalia, Germany – 810–11, Chelles, Seine-et-Marne, Ile-de-France, France), was a Frankish princess and abbess. She was the daughter of Pepin the Short and his wife Bertrada of Laon. She was the sister of Charlemagne and Carloman.