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Origin and history

The Grand Séminaire de Quimper originated in the initiative of Maurice Picot de Coëthual, rector of Plouguernével. Monsignor of Coëtlogon officially instituted by an order dated 28 August 1669. This project led to the acquisition of the Créacheuzen mansion and its outbuildings on 24 May 1677, marking the concrete beginning of its realization. The construction work, which began on 21 April 1678, was aimed at a set of four houses around a closed inner courtyard. Despite a construction period of about 30 years, the initial project was not fully completed: the south and south front bodies, planned in symmetry, were never built.

The chapel, a central element of the seminary, was built between 1711 and 1737. It perfectly illustrates the religious architecture of the Jesuit Order, while the entire seminary reflects the classical style of the late seventeenth and early eighteenth centuries. The establishment, now partially protected (facades and roofs listed in the Historical Monuments since 1999), bears witness to the importance of the clerical formation in Brittany at that time. Its precise location, at the 4-18 aisle of Doctor Pilven and 3 rue Étienne-Gourmelen in Quimper, makes it a heritage anchored in the city's historic urban fabric.

Private property and partly managed by a diocesan association, the Grand Séminaire de Quimper retains a major heritage value, both for its architecture and for its role in Breton religious history. Available sources, including Monumentum, point to its well-documented location (accuracy note: 8/10) and conservation status, although some initial elements had never been completed. The facades and roofs of the former seminary, as well as those of its chapel, have enjoyed official protection since 21 May 1999, guaranteeing their preservation for future generations.

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