The surviving ship list ties major contributions to powerful vassals who controlled useful Norman ports. William did not draw a standardized fleet from a central naval establishment; he ordered men with local wealth, labor, and waterfront access to supply contingents. Fleet assembly was an extension of feudal power and obligation, with port geography shaping who could contribute at scale. In practice, William converted political authority into maritime lift through those local obligations.
Chapter · 5:51-8:03
Norman ports and vassals assemble the fleet
William drew ships from powerful vassals and port towns, while Matilda of Flanders supplied the specially built flagship Mora.