▁in ▁the ▁chron icles ▁by ▁Th iet mar ▁of ▁Mer se burg , ▁in ▁relationship ▁with ▁Poland ' s ▁vict orious ▁Battle ▁of ▁C ed yn ia ▁against ▁the ▁forces ▁of ▁the ▁Sax on ▁marg ra ve ▁O do ▁I ▁( H odo ) ▁in ▁ 9 7 2 ▁AD . ▁He ▁is ▁thought ▁to ▁have ▁been ▁either ▁the ▁commander ▁or ▁one ▁of ▁the ▁principal ▁Polish ▁leaders , ▁along ▁with ▁his ▁brother ▁M iesz ko , ▁and ▁Th iet mar ▁is ▁the ▁source ▁of ▁his ▁presence ▁at ▁the ▁battle . ▁Cz ib or ' s ▁presence ▁at ▁C ed yn ia ▁might ▁have ▁been ▁based ▁not ▁only ▁on ▁his ▁status ▁as ▁war ▁leader ▁and ▁brother ▁of ▁the ▁Polish ▁r uler , ▁but ▁also ▁by ▁his ▁position ▁as ▁' g overn or ' ▁of ▁conquer ed / anne x ed ▁P omer ania . ▁▁ ▁His ▁date ▁of ▁birth ▁and ▁death ▁are ▁unknown , ▁his ▁family : ▁mother , ▁wife ▁or ▁w ives ▁( he ▁was ▁most ▁likely ▁a ▁pag an ▁until ▁ 9 6 6 ▁AD ), ▁and ▁children ▁are ▁also ▁unknown . ▁In ▁view ▁of ▁his ▁name , ▁his ▁mother ▁may ▁have ▁been ▁of ▁S orb ian ▁( L us at ian ) ▁origin . ▁ ▁Popular ▁culture ▁ ▁Cz ci bor ▁is ▁known ▁in ▁the ▁Polish ▁popular ▁culture , ▁through ▁books ▁of ▁Jó zef ▁Ign acy ▁K ras zew ski , ▁Z b ign iew ▁N ien ack i ▁and ▁Pa we ł ▁Jas ien ica , ▁and ▁was ▁one ▁of