sentences:  In 1893, Cécile Carnot (the wife of Sadi Carnot, President of the Republic) purchased the ruins and offered them as a gift to her eldest son, infantry colonel Sadi Carnot (1865-1948), who during 26 years carried out a great and meticulous historical restoration in the spirit of the 15th century.In 2013, some parts of the castle were acknowledged as regional historical monuments.In 2014, annex buildings, vineyards and the park were given the status of national monument.