ief al ten ) ▁Neu hausen ▁an ▁der ▁Er ms ▁( 1 7 5 0 , ▁today ▁Met z ingen ) ▁Ober st etten ▁( today ▁H ohen stein ) ▁Ö den wald st etten ▁( 1 7 5 0 , ▁today ▁H ohen stein ) ▁P fr on st etten ▁T iger feld ▁( today ▁P fr on st etten ) ▁Un lingen ▁Up fl am ör ▁( today ▁Zw ief al ten ) ▁W ils ingen ▁( today ▁Tro cht elf ingen ) ▁ ▁Ce iling ▁painting ▁in ▁Mün ster ▁At ▁the ▁sec ular isation ▁of ▁ 1 8 0 3 ▁the ▁monaster y ▁was ▁for ci b ly ▁dissol ved . ▁ 1 8 1 2 ▁the ▁royal ▁Wür ttemberg ▁san ator ium ▁was ▁established ▁in ▁the ▁monaster y ▁buildings . ▁ ▁As ▁part ▁of ▁the ▁Naz i ▁e uth anas ia ▁kill ings ▁of ▁Action ▁T 4 , ▁the ▁State ▁Hospital ▁and ▁San ator ium ▁Zw ief al ten ▁was ▁an ▁intermediate ▁storage ▁for ▁the ▁killing ▁center ▁Graf ene ck ▁Castle . ▁At ▁least ▁ 1 ▁ 6 7 3 ▁ment ally ▁ill ▁women , ▁men , ▁te en agers ▁and ▁children ▁were ▁" re located " ▁ 1 9 3 9 / 4 0 ▁on ▁Zw ief al ten ▁in ▁other ▁public ▁institutions ▁or ▁to ▁Graf ene ck . ▁The ▁so - called ▁" gray ▁bus es " ▁of ▁the ▁Geme inn üt z ige ▁K rank entr ans port ▁GmbH ▁( G ek rat ) ▁were ▁always