Sul·ly 
(sŭlē, s-lē, sü-), Duc de. Title of Maximilien de Béthune. 1560-1641.
(sŭlē, s-lē, sü-), Duc de. Title of Maximilien de Béthune. 1560-1641. French politician. As chief minister to Henry IV, he replenished the treasury and encouraged agriculture and industry.