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Heritage classified

Key figures

Origin and history

The castle of Betz, located in the department of Indre-et-Loire, is a fortress whose origins date back to at least the thirteenth century, with a major reconstruction in the fourteenth and fifteenth centuries. Gilles de Betz, the first certified lord, is considered the original builder. Betz's family retained the seigneury until 1503, when Renée de Betz married François Couhé de Lusignan, thus transmitting the estate to this line until the 18th century. The current remains include a house body flanked by towers (cylindrical, polygonal and square), a chapel decorated with murals, as well as defensive undergrounds and partially filled moat.

The castle adopts a plan of a "split dungeon" type, characteristic of late medieval fortresses, with a quadrangular house and distinct defensive elements. In the 17th century, amenities such as a south gate and a garden fence were added. Part of the commons, once fortified and surrounded by moat, was destroyed in the 19th century when the D93 route was traced. The monument, which has been classified since 1937, underwent important restorations around 1960 and 1978, preserving its remarkable architectural elements such as the dome vault of the round tower or the chapel warheads.

The history of the castle is marked by strategic family alliances, such as the marriage of Renée de Betz with François Couhé de Lusignan in 1503, which ensured the sustainability of the estate until the 18th century. Then passed to the Chaspoux, the castle was integrated into the Marquisat de Verneuil, bringing together several local lands. The present, though partially altered, remains offer a rare testimony of the defensive and residential techniques of the 14th–15th centuries, with elements such as the 13th-century underground refuge or the underground dovecote added later.

Architecturally, the castle combines defensive and residential styles: the round tower houses a chapel with painted decorations, while the polygonal tower contains a staircase. The various roofs (in pavilions, terraces, or long sections) reflect successive adaptations. The moat, now partially filled, and the fortified commons recall its role as a strong place, before subsequent modifications (gate of the seventeenth century) adapt the site to less military uses.

Ranked a historic monument in 1937, the castle of Betz illustrates the evolution of medieval fortresses in seigneurial residence. Its modern restorations have made it possible to stabilize fragile structures, such as the house body or paintings of the chapel. Despite the partial destruction of the commons and the filling of the moat, the site retains a major heritage value, linked to its family history and hybrid architecture, between defence and noble habitat.

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