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Heritage classified

Key figures

Origin and history

The ancient church of Saint-Fiacre de Mervilliers, located in the hamlet of Mervilliers (comune of Allaines-Mervilliers, Eure-et-Loir), dates from the 12th century. Classified as a Historic Monument in 1915, it now exists only in the state of remains, integrated into the walls of an agricultural barn. Only the tympanum and the pedestals of its original gate, visible from the yard of the farm, remain. The tympanum, decorated with a Latin inscription, represents a gift scene: a suzerain sitting on a throne validates the gift of a good to the church, symbolized by a priest. This iconography follows the codes of Romanesque art, where representations of power and piety were frequent.

The hamlet of Mervilliers, certified as Marvillar in 1233, merged in 1972 with Allaines to form the commune of Allaines-Mervilliers. The latter joined Janville-en-Beauce in 2019, becoming a delegated commune. The church site is located on the ancient Roman road between Chartres and Orléans, as evidenced by a Gallo-Roman Milemark still visible nearby. This historical road context underscores the strategic importance of the region as early as Antiquity and then in the Middle Ages with the development of rural parishes.

The church of Mervilliers, today private property, illustrates the fate of many rural religious buildings: disused after the Revolution or parish reshuffles, their most remarkable architectural elements (portals, capitals) are often preserved in situ or reused. The tympanum, with its narrative scene, offers a rare local example of mixed secular and religious Romanesque art, where the feudal hierarchy and the Church collaborate in the management of land and property. No source mentions a specific sponsor or significant event related to this church after its construction.

The municipality of Allaines-Mervilliers, prior to its merger in 2019, had fewer than 400 inhabitants. Its heritage reflects a rural history typical of the Beauce: parish churches, private chapels (like that of the presbytery of Alllaines, dated 1777), and Gallo-Roman traces. The old church of Mervilliers, although reduced to fragments, remains a key witness to the medieval religious and social organization in Eure-et-Loir, where hamlets often depended on a mother church located in the main village.

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