Construction of the mansion XVIe siècle (≈ 1650)
Period of initial construction of the mansion.
11 mai 1932
Registration for historical monuments
Registration for historical monuments 11 mai 1932 (≈ 1932)
Partial protection of the wall and dovecote.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Wall of enclosure including door with dovecote (cad. A 25): registration by order of 11 May 1932
Key figures
Hyacinthe de Derval - Last representative of Derval family
Fighting at the Battle of Quiberon.
Origin and history
Kergoz Manor House, located in the municipality of Guilvinec in Finistère (Bretagne), is an emblematic 16th century building. It belonged to the local nobility, as evidenced by its wall of enclosure with door and dovecote, typical of the seigneurial houses of the time. This manor, surrounded by ramparts and corner towers, also served as a refuge for villagers in case of a threat, especially against looters from the sea. Its defensive architecture, including a dovecote on the portal – a rarity – reflects the security concerns of the Breton Renaissance lords.
The mansion was owned by Derval's family, whose last representative, Hyacinthe de Derval, stood out during the Battle of Quiberon. His remains are now at Auray's Chartreuse. Over the centuries, the mansion has lost its noble residential function to become a community place: an aerated children's centre, and then a senior club. The municipality of Guilvinec, the current owner, now rents rooms for private events. Part of the manor house, including its enclosure wall and its door with dovecote, was listed as historical monuments by order of 11 May 1932.
Among the remarkable elements of the site, one of the enclosure towers has been restored, while the dovecote, placed above the gate, is a rare architectural example. Although partially protected, the mansion illustrates the evolution of the uses of seigneurial buildings in Brittany, moving from defence and prestige to contemporary social and cultural functions.
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