. ▁▁▁ ▁In ▁ 1 6 0 4 , ▁his ▁sister ▁Kate ř ina ▁Anna ▁married ▁the ▁leader ▁of ▁the ▁Mor av ian ▁Protest ants , ▁K arel ▁the ▁Old er ▁of ▁Z ier ot in . ▁He ▁then ▁studied ▁at ▁the ▁University ▁of ▁Ol om ouc ▁( mat ric ulating ▁in ▁ 1 6 0 6 ). ▁His ▁contact ▁with ▁the ▁Ol om ouc ▁Jes uits ▁was ▁partly ▁responsible ▁for ▁his ▁conversion ▁to ▁Catholic ism ▁in ▁the ▁same ▁year . ▁ ▁The ▁contrib ut ory ▁factor ▁to ▁his ▁conversion ▁may ▁have ▁been ▁the ▁C ounter - Re formation ▁policy ▁of ▁the ▁H abs burg s ▁that ▁effectively ▁bar red ▁Protest ants ▁from ▁being ▁appointed ▁to ▁higher ▁offices ▁at ▁court ▁in ▁Boh emia ▁and ▁in ▁Mor avia , ▁and ▁the ▁impress ions ▁he ▁gathered ▁in ▁Catholic ▁Italy . ▁However , ▁there ▁are ▁no ▁sources ▁clearly ▁indicating ▁the ▁reasons ▁for ▁W allen stein ' s ▁conversion , ▁except ▁for ▁a ▁sub j unct ive ▁an ec d ote ▁by ▁his ▁contemporary ▁Franz ▁Christoph ▁von ▁K he ven h üller ▁about ▁the ▁Virgin ▁Mary ▁saving ▁W allen stein ' s ▁life ▁when ▁he ▁fell ▁from ▁a ▁window ▁in ▁In ns b ruck . ▁W allen stein ▁was ▁later ▁made ▁a ▁member ▁of ▁the ▁Order ▁of ▁the ▁Golden ▁Fle e ce . ▁ ▁In ▁ 1 6 0 7 , ▁based ▁on ▁recommend ations ▁by ▁his ▁brother - in - law , ▁Z ier ot in , ▁and ▁another ▁relative , ▁Adam ▁of ▁Wald stein ,