Ms 210 fol.23v The Donation of Gonnor, Duchess of Normandy, to the monastery of Mont...

Gonnor (or Gunnora or Gunnor) (c. 936-1031) 2nd wife of Richard I The Fearless (Sans Peur), Duke of Normandy; a cartulary is a collection of charters recording grants to religious institutions and the Cartulaire de Mont Saint-Michel, now in the Bibliotheque Municipale in Avranches, is the only surviving medieval source for the monastery after the destruction of the Archives of the Manche in 1944; considered to have been made for Robert de Torigni (also known as Robert de Monte) Abbot of Mont Saint-Michel (1154-86) or perhaps for his predecessor, Abbot Geoffrey;