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Origin and history

The Château d'Olbreuse, located in Usseau in the Deux-Sèvres, is said to have been built in the 11th century, although the archives are lacking to confirm this date. It is best known for its role in Protestant history: in the 16th century, the Desmier d'Olbreuse family, owner of the premises, adopted Calvinism and participated in religious wars. The castle became a refuge for persecuted Protestants, notably under Louis XIV, who placed him under receivership in 1702 to punish Éléonore Desmier d'Olbreuse, accused of having helped the Huguenots. Released in 1707, he then moved to his daughter Sophie-Dorothée, wife of King George I of Great Britain, and then to their heirs, including George II and the Queen of Prussia.

In 1729 the castle was transferred to the Catholic family Prévot de Gagemont, which kept it until 1871. He then returned to the Desmier d'Olbreuse, a cousin branch, before being turned into a war-blind hospital during World War I. In the 20th century, it housed a renowned inn (1983-1996) and was restored and listed as a Historic Monument in 1967. Its modest architecture, typical of small rural castles, contrasts with its historical importance: medieval towers, secret undergrounds used during religious persecutions, and vaulted cellar still visible.

The castle is inseparable from Eléonore Desmier d'Olbreuse (1639-1722), whose descendants reigned over several European kingdoms, valuing to the family the nickname of grandmother of Europe. Local legends evoke undergrounds linking the castle to neighbouring villages, used to hide Protestants, as well as an alleged salt cellar and a tower to the murderers, although this latter hypothesis was refuted. Today, the castle belongs to the Boscals family of Reals.

Architecturally, the castle has evolved over the centuries: initially surrounded by courtine walls and four towers (two of which remain), it is enlarged in the 18th century by the Prévot de Gagemont, which add a wing and a monumental kitchen. In the 19th century, the Desmier raised the floor and replaced the traditional roof with a zinc frame. Despite periods of degradation, its restoration in 1967 allowed to preserve its medieval elements, such as the vaulted cellar and the deep 40-metre wells, testimony to its defensive role during the Hundred Years War.

The Desmier d'Olbreuse, a military family with coats of arms separated from the Azur and silver with four fleurs de lys, have been attested since the thirteenth century. Their coat of arms would have been granted to them by John the Good after the Battle of Poitiers. The castle, symbol of their power, passed into the hands of distant cousins after the Revolution, before returning to the main branch. Its history reflects the religious and political upheavals of France, from the wars of Religion to the exile of Protestants under Louis XIV.

Today, the castle of Olbreuse embodies a discreet but rich heritage, mixing Protestant memory, local legends and architectural heritage. Its inscription in the Historical Monuments in 1967 saved this unpretentious little castle, witness to the religious struggles and European alliances that marked the history of New Aquitaine.

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