The County of Nantes, which served as a march against the Bretons of the Vannetais, finally fell to the Bretons and the title became a subsidiary title of the Breton rulers, which figured prominently in the history of the Duchy, in the mid-ninth century.
The County of Nantes, which served as a march against the Bretons of the Vannetais, finally fell to the Bretons and the title became a subsidiary title of the Breton rulers, which figured prominently in the history of the Duchy, in the mid-ninth century.