When her husband, His Highness the Duke of Berry, was murdered in Paris on 13 February 1820, Marie-Caroline, Duchess of Berry, was pregnant. She gave birth to a son, Henri, Duke of Bordeaux and heir to the throne of France, on 29 September 1820.

The Duchess and her son were expelled to England by the 1830 revolution. To vindicate her son’s right to the throne of France, Marie-Caroline then attempted to stir up public sentiment in the western France.

“The Chateau.of Chanay was the location of a pivotal event of the 1832 legitimist insurrection in the Mayenne region. A counter order signed by Marshall de Bourmont in Nantes on 22 May had been handed over to Gaullier at the castle of La Barre, in Bierné, on the evening of the following day. The troops already gathered there had got very confused. On 25 May at noon, Gaullier surrendered in the chateau of Chanay, where General Clouet was awaiting him At the end of the supper, as the General was playing some couplets of his own invention on the piano forte, in honour of King Louis-Philippe, the sentry reported that a draft of forty men from the 31st regiment from Château-Gontier was approaching…”

Dictionary of the Mayenne region – First tome - Abbé Alphonse ANGOT
Editions régionales de l'Ouest à Mayenne - Page 570.