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Origin and history

The Guérais mansion is a building located in Beausais-sur-Mer, in the Côtes-d'Armor department, Brittany. Built in the 17th century, it is distinguished by its architecture in granite and shale bellows, with a rectangular house with a double orientation, covered with a roof made of drained rump. Its facades, pierced with egg-eyes and organized in irregular spans, reflect the characteristics of the Breton seigneurial residences of that time. The mansion was associated with middle and low court rights, as well as church pre-eminences in the nearby parishes of Ploubalay and Lancieux.

The mansion belonged to several noble families over the centuries, including the Begazou (in the 16th and 18th centuries), the Breil du Rays (acquire in 1706), the Christian of Treveneuc and the Besnard (both in the 18th century). These families, linked to the local nobility, have marked the history of the estate by their status and possessions. The manor originally belonged to the seigneury of Lamballe, in juveigneurie of the Plessis-Balisson, stressing its importance in the Breton feudal network.

As part of the general inventory of cultural heritage, the Guérais mansion today bears witness to the architectural and social heritage of the Ancien Régime Brittany. Its agricultural elements and home, preserved in their original state, offer a representative example of the rural manors of this region, where residential and economic functions were mixed.

The manor structure, with its side wing in the pavilion and its central stairwell, illustrates a spatial organization designed to combine comfort and prestige. The materials used, such as granite and shale, were typical of local constructions, exploiting available natural resources. This choice reflected both practical constraints and a desire for social affirmation through a durable and imposing architecture.

The rights of justice and religious preeminences associated with the mansion reveal its central role in local life. In modern times, the seigneurs of the Guérais exercised a significant influence on the surrounding parishes, participating in the religious and judicial organization of the territory. These prerogatives, often transmitted by inheritance or alliance, strengthened their status within the Breton nobility hierarchy.

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