▁Sax on ▁W itten berg ▁residence , ▁the ▁el dest ▁son ▁of ▁Duke ▁W ences laus ▁I ▁of ▁Sax e - W itten berg ▁and ▁his ▁wife ▁Cec ilia , ▁daughter ▁of ▁Francesco ▁I ▁da ▁Car r ara , ▁Lord ▁of ▁Pad ua . ▁ ▁Rudolf ▁III ▁took ▁up ▁government ▁after ▁his ▁father ' s ▁sudden ▁death ▁on ▁ 1 5 ▁May ▁ 1 3 8 8 . ▁Rudolf ▁was ▁involved ▁in ▁a ▁long - running ▁dispute ▁with ▁the ▁Arch bishop ric ▁of ▁Mag de burg . ▁He ▁don ated ▁numerous ▁g ifts ▁to ▁the ▁W itten berg ▁All ▁Sain ts ' ▁Church . ▁ ▁Like ▁his ▁father , ▁Rudolf ▁was ▁a ▁loyal ▁supp orter ▁of ▁the ▁Imperial ▁House ▁of ▁Luxemb ourg . ▁In ▁ 1 4 1 9 , ▁Emperor ▁Sig ism und ▁sent ▁him ▁to ▁Boh emia , ▁in ▁order ▁to ▁qu ash ▁the ▁H uss ite ▁u pr ising ▁that ▁had ▁begun ▁with ▁the ▁Def en estr ation ▁of ▁Prag ue . ▁He ▁died ▁on ▁his ▁way ▁there , ▁probably ▁after ▁being ▁poison ed . ▁ ▁Rudolf ▁was ▁buried ▁in ▁the ▁Francis can ▁monaster y ▁in ▁W itten berg . ▁His ▁coff in ▁was ▁moved ▁to ▁the ▁crypt ▁of ▁the ▁W itten berg ▁All ▁Sain ts ' ▁Church ▁in ▁the ▁ 1 9 th ▁century , ▁and ▁to ▁the ▁family ▁grave ▁during ▁the ▁Second ▁World ▁War . ▁As ▁he ▁had ▁out l ived ▁his ▁male ▁he irs , ▁he ▁was ▁succeeded ▁by ▁his ▁younger ▁brother ▁Albert ▁III . ▁ ▁Mar