ist ▁Dor ette ▁Sche id ler , ▁daughter ▁of ▁one ▁of ▁the ▁court ▁sing ers . ▁They ▁were ▁married ▁on ▁ 2 ▁February ▁ 1 8 0 6 , ▁and ▁lived ▁happ ily ▁until ▁Dor ette ' s ▁death ▁ 2 8 ▁years ▁later . ▁They ▁performed ▁successfully ▁together ▁as ▁a ▁viol in ▁and ▁har p ▁du o ▁( S po hr ▁having ▁composed ▁the ▁Son ata ▁in ▁C ▁minor ▁for ▁viol in ▁and ▁har p ▁for ▁her ), ▁tour ing ▁in ▁Italy ▁( 1 8 1 6 – 1 8 1 7 ), ▁England ▁( 1 8 2 0 ) ▁and ▁Paris ▁( 1 8 2 1 ), ▁but ▁Dor ette ▁later ▁abandoned ▁her ▁har p ist ' s ▁career ▁and ▁concentr ated ▁on ▁raising ▁their ▁children . ▁ ▁In ▁ 1 8 0 8 , ▁Spo hr ▁pract iced ▁with ▁Be eth oven ▁at ▁the ▁latter ' s ▁home , ▁working ▁on ▁the ▁P iano ▁T rio , ▁Op . ▁ 7 0 ▁No . ▁ 1 , ▁The ▁Ghost . ▁Spo hr ▁wrote ▁that ▁the ▁piano ▁was ▁out ▁of ▁t une ▁and ▁that ▁Be eth oven ' s ▁playing ▁was ▁har sh ▁or ▁care less . ▁In ▁ 1 8 1 2 , ▁Spo hr ▁conducted ▁a ▁concert ▁in ▁the ▁ ▁of ▁the ▁French - occup ied ▁Princi p ality ▁of ▁Er furt ▁to ▁celebr ate ▁Napoleon ' s ▁ 4 3 rd ▁birth day . ▁Spo hr ▁later ▁worked ▁as ▁conduct or ▁at ▁the ▁Theater ▁an ▁der ▁Wien ,