▁the ▁assault . ▁Within ▁a ▁week , ▁most ▁of ▁the ▁consp ir ators ▁had ▁been ▁bet rayed ▁to ▁the ▁Naz is ▁and ▁arrested . ▁When ▁Wille m ▁Ar onde us ▁was ▁arrested ▁in ▁April , ▁he ▁did ▁not ▁reve al ▁the ▁names ▁of ▁his ▁co - con sp ir ators . ▁However ▁the ▁Naz is ▁found ▁a ▁not ebook ▁in ▁his ▁a partment ▁listing ▁many ▁of ▁the ▁names , ▁which ▁led ▁to ▁the ▁arrest ▁of ▁most ▁the ▁resistance ▁members ▁who ▁participated ▁in ▁the ▁assault . ▁ ▁The ▁trial ▁against ▁the ▁resistance ▁members ▁who ▁carried ▁out ▁the ▁assault ▁took ▁place ▁in ▁June ▁ 1 9 4 3 ▁at ▁the ▁Trop en museum . ▁Wille m ▁Ar onde us ▁and ▁ 1 3 ▁others ▁were ▁found ▁guilty ▁and ▁sent enced ▁to ▁death . ▁Two ▁received ▁cle men cy ▁at ▁the ▁last ▁minute ; ▁the ▁other ▁ 1 2 ▁were ▁executed ▁on ▁ 2 ▁July ▁ 1 9 4 3 . ▁Ger rit ▁van ▁Ve en ▁managed ▁to ▁escape ▁capture ▁and ▁continued ▁his ▁resistance ▁activities ▁until ▁his ▁ 1 9 4 4 ▁arrest ▁and ▁execution ▁following ▁an ▁assault ▁on ▁an ▁Amsterdam ▁prison . ▁ ▁Att orney ▁and ▁co - con sp ir ator ▁Lau ▁Maz ire l ▁visited ▁Wille m ▁Ar onde us ▁in ▁prison ▁shortly ▁before ▁he ▁was ▁executed ▁for ▁his ▁role ▁in ▁the ▁assault . ▁Ar onde us , ▁who ▁was ▁open ly ▁gay , ▁asked ▁her ▁to ▁" t ell ▁the ▁world ▁that ▁g ays ▁are ▁no ▁less ▁courage ous ▁than ▁anyone ▁else