Famous writer Madame de Sévigné said about this nice Renaissance castle it looked like a "Burgundian castle of Fontainebleau"! Count de Bussy-Rabutin said the courtyard was "the most beautiful courtyard in a French castle"...
Sully was put up between 1567 and 1573 by marshal of France Gaspard de Saulx-Tavannes, who also raised Pailly castle. His son continued the construction until the middle of the 17th century. The castle fell to the Morey in the 18th century: they added a triangular pediment on the façade and raised the wing that overlooked the park.
Well, did you know marshal de Mac-Mahon, president of France (1873-1879), was born in Sully? His family, of Irish descent, descended from the dukes of Burgundy! At the end of the 19th century, the castle was altered. And nowadays, Sully is still the property of the marquis de Mac-Mahon!