▁to ▁the ▁attention ▁of ▁Crown ▁Prince ▁Ludwig , ▁who ▁made ▁Jakob ▁his ▁adj ut ant . ▁In ▁July ▁ 1 8 0 7 ▁Jakob ▁was ▁present ▁at ▁the ▁negoti ations ▁for ▁the ▁Tre aties ▁of ▁T ils it ▁following ▁the ▁victory ▁of ▁the ▁French ▁Empire ▁( of ▁which ▁Bav aria ▁was ▁now ▁an ▁al ly ) ▁over ▁Russia . ▁Over ▁the ▁next ▁few ▁years ▁he ▁advanced ▁to ▁the ▁rank ▁of ▁Colonel . ▁ ▁In ▁October ▁ 1 8 1 3 , ▁Bav aria ▁joined ▁the ▁Al lies ▁against ▁France . ▁On ▁ 7 ▁June ▁ 1 8 1 5 ▁in ▁Br uss els , ▁Jakob ▁Washington ▁signed ▁a ▁treat y ▁with ▁the ▁Duke ▁of ▁Well ington ▁representing ▁Bav aria . ▁On ▁the ▁night ▁of ▁ 1 5 ▁June ▁ 1 8 1 5 , ▁prior ▁to ▁the ▁Battle ▁of ▁Qu atre ▁Bras , ▁Washington ▁was ▁an ▁invited ▁guest ▁at ▁the ▁now ▁famous ▁Duch ess ▁of ▁Richmond ' s ▁ball . ▁He ▁fought ▁in ▁the ▁Battle ▁of ▁Water lo o , ▁the ▁only ▁Bav arian ▁officer ▁to ▁do ▁so , ▁since ▁the ▁rest ▁of ▁the ▁Bav ari ans ▁were ▁held ▁in ▁reserve ▁in ▁S aar br ücken . ▁ ▁In ▁ 1 8 2 5 , ▁Ludwig ▁became ▁King ▁of ▁Bav aria ▁as ▁Ludwig ▁I . ▁Washington ' s ▁career ▁continued ▁ap ace , ▁rising ▁eventually ▁to ▁lieutenant ▁general . ▁On ▁ 8 ▁December ▁ 1 8 2 9 , ▁Ludwig ▁made ▁him ▁Frei herr ▁( Bar on ) ▁von ▁Washington . ▁Ludwig ▁also