th ▁century , ▁the ▁monaster y ▁was ▁influ ential , ▁but ▁in ▁ 1 5 2 5 ▁the ▁German ▁Pe as ants ' ▁War ▁resulted ▁in ▁the ▁monaster y ▁being ▁pl under ed . ▁ ▁In ▁ 1 7 5 0 ▁the ▁ab bey ▁was ▁granted ▁the ▁status ▁of ▁Reichs ab tei , ▁which ▁meant ▁that ▁it ▁had ▁the ▁status ▁of ▁an ▁independent ▁power ▁subject ▁only ▁to ▁the ▁Imperial ▁Crown ▁and ▁was ▁free ▁of ▁the ▁rule ▁of ▁Wür ttemberg . ▁By ▁ 1 8 0 2 , ▁however , ▁the ▁monaster y ▁was ▁dissol ved ▁as ▁part ▁of ▁the ▁German ▁med iat ization . ▁Today ▁it ▁is ▁part ▁of ▁the ▁psych iat ric ▁hospital . ▁ ▁as ▁Notre - D ame ▁C athedral , ▁the ▁church ▁in ▁ 1 8 0 6 ▁sec ular ized ▁[ 8 ] ▁ab bey , ▁considered ▁a ▁master pie ce ▁of ▁the ▁German ▁late ▁Bar o que . ▁Const ruction ▁was ▁started ▁in ▁ 1 7 3 9 ▁by ▁brothers ▁Joseph ▁and ▁Martin ▁Schne ider ▁and ▁completed ▁by ▁ 1 7 6 5 ▁by ▁Johann ▁Michael ▁Fischer . ▁The ▁rich ▁interior ▁of ▁the ▁church ▁contains ▁a ▁late ▁Goth ic ▁mi rac ul ous ▁image ▁of ▁ 1 4 3 0 ▁and ▁bar o que ▁fres co ed ▁ce il ings ▁and ▁an ▁alt arp ie ce ▁by ▁Franz ▁Joseph ▁Sp ieg ler , ▁fres co es ▁by ▁Andreas ▁Me in rad ▁von ▁Au , ▁st u cco ▁work ▁by ▁Johann ▁Michael ▁Fe ucht m ayer ▁d .