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Origin and history

The fortified mansion of Toulgoat, located in Saint-Yvi in Finistère, was built in the middle of the sixteenth century by the Salou family of Toulgoat, a line of old nobility of arms. This mansion, formerly designated as a castle in the 18th century, was the heart of a seigneury with medium and low justice as early as the 15th century. The coat of arms of the Salou family, "of silver to three hours of boar torn from sand", are still visible on the entrance porch, highlighting their seigneurial status and their local power.

At its peak, the estate included an 80-foot main house, a chapel, a dovecote, stables, a farmhouse, a mill and a pond, all accessible by tree-lined avenues. A descriptive statement written between 1765 and 1768 details a spatial organization typical of the Breton seigneuries: a courtyard closed by a vaulted gate, a kitchen, a seigneurial room with monumental fireplace, upstairs bedrooms, and attices. The mansion, although not comfortable for the time, reflected the prestige of its owners, including the Marquis de Piré and the Dukes of Arenberg, who had it in individual in the 18th century.

The fortified gate, the most remarkable element of the mansion, preserves a watchtower with superimposed arquebusières and a mâchicoulis gallery, partially modified under Louis XIII by royal ordinance. The openings of the facade, decorated with pots of fire, and the seigneurial room with its imposing fireplace testify to its aristocratic past. The estate, which remained in the same family by alliances between 1480 and 1840, then passed into the hands of several noble lines: Visdelou, Engelbert de la Mark-Arenberg, de Ligne, and Rosnyvinen, before being sold in 1840 by Prosper-Louis d'Arenberg.

In the 19th century, the manor house was converted to agricultural use, its lands fragmented and gradually sold. After decades, however, it was preserved by a single family from 1922 to 2018. Today, private property is being restored, the Toulgoat mansion is partially protected: its entrance gate was inscribed to historical monuments by order of 10 June 1932. This site illustrates the evolution of the Breton seigneuries, from their golden age to their post-revolutionary decline.

The archives and historical studies, such as those of Louis Le Guennec or Henri Sée, underline the administrative and social importance of Toulgoat, the emblematic seigneury of Lower Brittany. The documents of the eighteenth century, such as the descriptive state or the holdings of the archives of the Finistère, offer a valuable insight into seigneurial management, the relations between nobles and peasants, and the economic role of the estate, between agriculture, local justice and symbols of power.

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