Louis himself was captured and ransomed in Egypt  during the disastrous Seventh Crusade, and during the Eighth Crusade, Louis was killed by the  bout of dysentery that ravaged his army in 1270.

路易本人在灾难性的第七次十字军东征期间在埃及被俘并被赎回，而在第八次十字军东征期间， 路易在 1270 年死于肆虐其军队的痢疾。