▁ 1 1 ▁January ▁ 1 3 3 1 , ▁alleg edly ▁poison ed ▁by ▁his ▁own ▁v ass als . ▁The ▁late ▁Duke ' s ▁three ▁surv iving ▁brothers , ▁divided ▁Pr zem ko ▁II ' s ▁lands ▁between ▁them . ▁Const ance ▁received ▁the ▁city ▁of ▁G log ów ▁as ▁her ▁d ower , ▁according ▁to ▁her ▁husband ' s ▁will . ▁So on ▁after , ▁she ▁entered ▁the ▁Po or ▁Cl ares ▁monaster y ▁of ▁St ary ▁S ą cz , ▁where ▁she ▁became ▁abb ess . ▁ ▁W id ow hood ▁In ▁September ▁ 1 3 3 1 , ▁King ▁John ▁of ▁Boh emia ▁began ▁his ▁sie ge ▁of ▁the ▁Duch y . ▁By ▁October , ▁he ▁had ▁captured ▁the ▁city ▁of ▁G ł og ów . ▁Const ance ▁was ▁forced ▁to ▁take ▁refuge ▁in ▁the ▁court ▁of ▁his ▁grand par ents , ▁the ▁Polish ▁King ▁and ▁Queen , ▁and ▁Jan ▁of ▁Ś c ina wa ▁( one ▁of ▁Pr zem ko ▁II ' s ▁brothers ) ▁was ▁comp elled ▁to ▁sell ▁his ▁rights ▁over ▁half ▁of ▁the ▁Duch y ▁to ▁the ▁Boh em ian ▁King ▁for ▁ 2 , 0 0 0 ▁fin es . ▁ ▁Const ance ▁was ▁virt ually ▁left ▁without ▁financial ▁support ▁after ▁the ▁loss ▁of ▁her ▁lands ; ▁however , ▁her ▁situation ▁soon ▁changed : ▁first ▁when ▁she ▁received ▁a ▁rent ▁by ▁her ▁lands ▁and ▁later ▁in ▁ 1 3 3 6 , ▁when ▁her ▁grand m other ▁Queen ▁J ad w iga ▁settled