▁of ▁ 1 5 0 0 ▁and ▁ 1 6 2 9 ▁the ▁church ▁had ▁been ▁re construct ed ▁either ▁times ▁using ▁the ▁surv iving ▁outside ▁brick work ▁structures . ▁Stefan ▁Amt ' s ▁construction al ▁exam in ations ▁in ▁ 2 0 0 5 ▁– ▁during ▁the ▁renov ation ▁– ▁revealed ▁that ▁the ▁present ▁building ▁is ▁no ▁completely ▁new ▁construction ▁but ▁only ▁the ▁present ▁roof ▁and ▁interior ▁date ▁to ▁the ▁repair ▁after ▁ 1 6 3 0 . ▁However , ▁today ' s ▁ce iling ▁is ▁flat , ▁the ▁original ▁v ault s ▁have ▁not ▁been ▁re construct ed . ▁As ▁of ▁ 1 6 3 4 ▁the ▁convent ' s ▁new ▁Prov ost ▁Otto ▁A sche ( n ) ▁ ▁looked ▁after ▁the ▁reconst ruction . ▁By ▁ 1 6 3 6 ▁the ▁major ▁structure ▁was ▁restored . ▁The ▁completion ▁and ▁decor ation ▁of ▁the ▁interior ▁extended ▁until ▁the ▁end ▁of ▁the ▁ 1 7 th ▁century . ▁ ▁Since ▁the ▁mid - 1 9 th ▁century ▁con greg ation ▁( user ) ▁and ▁kn ighth ood ▁( owner ) ▁negoti ated ▁about ▁an ▁extension ▁of ▁the ▁church ▁building ▁since ▁not ▁all ▁church go ers ▁could ▁be ▁se ated . ▁In ▁the ▁second ▁half ▁of ▁the ▁ 1 9 th ▁century ▁the ▁windows ▁of ▁the ▁sixth ▁bay ▁were ▁replaced ▁by ▁higher ▁and ▁wider ▁ones . ▁In ▁ 1 8 8 8 ▁on ▁the ▁inst ig ation ▁of ▁Prior ess ▁von ▁D ür ing ▁these ▁large ▁windows ▁were ▁ad orn ed ▁with