Particularly interesting is the 11th-century donjon (keep) that formed part of the town's southern defenses.
The keep, at maximum capacity, could have held three score long-bowmen from it's ramparts. 
mnli hypothesis: The keep, at maximum capacity, could have held three score long-bowmen from it's ramparts.  premise: Particularly interesting is the 11th-century donjon (keep) that formed part of the town's southern defenses.