Henri de Fleury de Coulan, Sieur de Buat, St Sire et La Forest de Gay was a captain of horse in the army of the Dutch Republic, who became embroiled in a celebrated conspiracy during the First Stadtholderless Period to overthrow the regime of Grand Pensionary Johan de Witt in favor of future Stadtholder William III, known as the Buat Conspiracy. He was convicted of treason in 1666 and executed.
- Occupation
- military personnel
- Born
- 1650
- Died
- October 11, 1666
