In 1659, when the Mazarin family took control of the duchy, the region was reduced to become a province of the Kingdom of France, thus becoming the Province of Nevers (French: Province de Nivernais). However, according to the laws of the peerage of France, the province kept the official title of 'Duchy of Nivernais', though it held the status of province of the Kingdom.[1]
Following the Decree dividing France into departments in 1790, the province was broken up into three new departments: Nièvre (forming the main part), Yonne (northernmost parts), and Cher (south eastern most parts).[1]
Following the governmental reforms of 1773, the Duchy of Nevers formed part of the Military Government of Nivers (Gouvernement de Nivernais). For the Department of Finances, the duchy was divided into four election counties: Nevers and Château-Chinon part of the Generality of Moulins, Clamecy was part of the Generality of Orléans, and La Charité-sur-Loire part of the Generality of Bourges. The Judicial Department, the county was part of the powerful Parlement of Paris.[2][1]
Following the Decree dividing France into departments announced on 22 December 1789, the Duchy of Nevers was disestablished. The majority of the county formed the new Nièvre (forming the main part), Yonne (northernmost parts), and Cher (south eastern most parts).[1]
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