▁unusual ▁step ▁of ▁putting ▁her ▁in ▁charge ▁of ▁his ▁sons ▁education , ▁which ▁led ▁to ▁the ▁res ignation ▁of ▁their ▁existing ▁tut ors ; ▁she ▁and ▁Charles - Alex is ▁formally ▁separated ▁the ▁following ▁year . ▁▁ ▁For ▁her ▁husband ' s ▁am usement , ▁Madame ▁de ▁Mont ess on ▁set ▁up ▁their ▁own ▁theatre , ▁for ▁which ▁she ▁and ▁Madame ▁de ▁Gen lis ▁wrote ▁plays , ▁the ▁parts ▁being ▁taken ▁by ▁their ▁children . ▁This ▁developed ▁her ▁approach ▁to ▁education , ▁later ▁set ▁out ▁in ▁Thé âtre ▁d ' é ducation ▁( 4 ▁vol s ., ▁ 1 7 7 9 – 1 7 8 0 ), ▁a ▁collection ▁of ▁short ▁com ed ies ▁for ▁young ▁people , ▁Les ▁Ann ales ▁de ▁la ▁vert u ▁( 2 ▁vol s ., ▁ 1 7 8 1 ) ▁and ▁Ad èle ▁et ▁Thé odore ▁( 3 ▁vol s ., ▁ 1 7 8 2 ). ▁Charles ▁August in ▁Sainte - Be uve ▁claims ▁she ▁anticip ated ▁many ▁modern ▁methods ▁of ▁teaching ; ▁history ▁was ▁taught ▁using ▁magic ▁lan tern ▁sl ides ▁and ▁her ▁pup ils ▁lear nt ▁bot any ▁from ▁a ▁botan ist ▁during ▁their ▁wal ks . ▁ ▁In ▁ 1 7 8 5 , ▁Chart res ▁succeeded ▁as ▁duc ▁d ' O rl é ans ; ▁when ▁the ▁French ▁Revolution ▁began ▁in ▁ 1 7 8 9 , ▁both ▁he ▁and ▁Charles - Alex is ▁joined ▁the ▁Gir ond ins ▁fa ction ▁and ▁were ▁executed ▁in ▁ 1 7 9 3 ▁with