qa ' s ▁al ly ▁the ▁previous ▁year ) ▁died ▁and ▁his ▁son ▁San iz ▁Mir za ▁sought ▁Y un us ▁Khan ' s ▁assistance ▁to ▁gain ▁power ▁in ▁K ash gar . ▁Y un us ▁Khan ▁came ▁into ▁K ash gar ▁after ▁receiving ▁this ▁inv itation . ▁Short ly ▁afterwards , ▁he ▁sent ▁one ▁of ▁the ▁most ▁respect able ▁Say y ids ▁of ▁K ash gar , ▁Am ir ▁ ▁Z ia - ud - D in , ▁to ▁Bad akh sh an ▁to ▁meet ▁Shah ▁Sultan ▁Muhammad ▁Bad akh sh i ▁and ▁seek ▁one ▁of ▁his ▁six ▁daughters ▁in ▁marriage . ▁Shah ▁Sultan ▁Muhammad ▁Bad akh sh i ▁( also ▁known ▁as ▁" Pr ince ▁L ali ") ▁was ▁believed ▁to ▁be ▁a ▁direct ▁desc endant ▁of ▁I sk and ar ▁Z ulk arn ain ▁( Alex ander ▁the ▁Great ), ▁son ▁of ▁Fil ikus ▁R umi ▁( Ph ill ip ▁II ▁of ▁Mac ed on ), ▁who ▁according ▁to ▁( d ub ious ) ▁legend ▁left ▁one ▁of ▁his ▁sons ▁in ▁the ▁isolated ▁mountain ▁country ▁out ▁of ▁reach ▁of ▁riv als ▁in ▁hope ▁that ▁his ▁pro gen y ▁would ▁continue ▁his ▁dynast y ▁in ▁the ▁East . ▁Prince ▁L ali ▁agreed ▁to ▁gave ▁a ▁daughter ▁to ▁Y un us ▁Khan ▁in ▁marriage . ▁He ▁entr usted ▁his ▁fourth ▁daughter , ▁Shah ▁Beg um , ▁to ▁Say y id ▁Z ia - ud - D in , ▁who ▁brought ▁her ▁back ▁with ▁him ▁to ▁K ash gar ▁and ▁delivered ▁her ▁over