Be seeing you….prisoner graffiti at Le Donjon, Niort, Deux Sèvres, France

View towards the north-west, the north tower currently under repair. Photo: © W Perkins 2026.

Le Donjon in Niort is composed of two medieval square towers linked by a curtain wall, which was roofed to form a residence in the 13th century. During the 18th and 19th centuries it was used to imprison captured English, Dutch and Spanish seafarers. Some of the rooms posses graffiti which attests to their stay…

View towards the south-west, the north tower currently under repair. Photo: © W Perkins 2026.

The castle was begun c.1180 by Henry Plantagenet II who extended his kingdom over all western France following his marriage to Eleanor of Aquitaine (NMP 2026). The castle was completed under Richard the Lionheart c.1189-99. It is believed to have been built upon an earlier Merovingian castle (GSI 2026).

It was damaged during the Wars of Religion (1562-1598) and during the 18th century became a prison for captured seafarers (Baudry 2011). In 1749 the north tower collapsed; the stability of which remains an issue up until today.

Mason’s Marks

A range of mason’s marks are present on some (but not all) of the stonework both inside and outside the building. In France, as from elsewhere in Europe, medieval buildings often display a much more’ complete’ set of mason’s marks than in England.

A mason’s mark taking the form of a ‘dagaz’ motif. The cross pommèe above may also be one although could be interpreted as a ‘protective’ devicePhoto: © W Perkins 2026.
The Marian mark, common in English contexts is rare or absent in most French graffiti corpora. The style an execution of this ‘W’ (double-V) is more likely to be a mason’s mark. Photo: © W Perkins 2026.
Interior: a mason’s mark has been damaged by a ‘peck’ mark added to allow a layer of plaster to key to the masonry. Photo: © W Perkins 2026.

Further reading:

Baudry, M P (2011) Le Donjon.

Grand-Sud Insolité (2026) Le Donjon de Niort, the work of the Plantagenets, and its museum

Niort Marais Poitevin (2026) Le Donjon

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