▁Sa ' id ▁Da ul at ▁Sultan ▁Khan im , ▁daughter ▁ ▁Kh ans hip ▁ ▁In ▁ 1 4 6 2 , ▁Y un us ' s ▁brother ▁Es en ▁Bu qa ▁died . ▁The ▁M og h uls ▁were ▁divided ▁over ▁whether ▁to ▁support ▁his ▁son , ▁D ost ▁Muhammad , ▁or ▁his ▁elder ▁brother , ▁namely ▁Y un us ▁himself , ▁as ▁his ▁successor . ▁The ▁d ug hl at ▁am ir ▁of ▁K ash gar , ▁Muhammad ▁Ha id ar ▁Mir za , ▁supported ▁D ost ▁Muhammad , ▁but ▁his ▁brother ▁San iz ▁Mir za , ▁the ▁am ir ▁of ▁Y ark and ▁( who , ▁it ▁will ▁be ▁re collect ed , ▁had ▁taken ▁Y un us ▁Khan ' s ▁help ▁and ▁invited ▁him ▁into ▁K ash gar ▁in ▁ 1 4 5 7 ) ▁supported ▁Y un us ▁Khan , ▁and ▁exp elled ▁D ost ▁Moh amm ad ▁from ▁K ash gar . ▁D ost ▁Moh amm ad ▁however ▁cons olid ated ▁his ▁hold ▁on ▁all ▁settled ▁lands ▁in ▁Eastern ▁M og h ul istan , ▁known ▁at ▁the ▁time ▁as ▁U yg h ur stan . ▁He ▁became ▁the ▁r uler ▁of ▁that ▁region ▁and ▁took ▁up ▁residence ▁in ▁the ▁town ▁of ▁A ks u , ▁thus ▁abandon ing ▁the ▁nom adic ▁style ▁of ▁life . ▁San iz ▁Mir za ▁died ▁after ▁only ▁a ▁few ▁years , ▁in ▁ 1 4 6 4 , ▁and ▁D ost ▁Muhammad ▁pl under ed ▁K ash gar ▁to ▁a