However, the Normans spoke a rural dialect of French with considerable Germanic influences, usually called Anglo-Norman or Norman French, which was quite different from the standard French of Paris of the period, which is known as Francien. The differences between these dialects became even more marked after the Norman invasion of Britain, particularly after King John and England lost the French part of Normandy to the King of France in 1204 and England became even more isolated from continental Europe.