Because Joan was Charles's first cousin,[2] the couple required papal permission to marry, which they obtained from Pope John XXII.

[1] They had three daughters, Jeanne, Marie and Blanche,[3] who were unable to inherit the throne under principles of Salic law.

[4] Joan died on 4 March 1371[5] in her château at Brie-Comte-Robert, in the Île-de-France region, some twenty miles southeast of Paris.

[8] The book contains the usual prayers of the canonical hours as arranged for the laity along with the notable inclusion of the office dedicated to St Louis, her great-grandfather.

The small statue of the Virgin and Child (gilded silver and enamel, 69 cm high), which Jeanne left to the monastery of St Denis outside Paris, is in the Louvre Museum.