▁his ▁father , ▁who ▁at ▁the ▁time ▁was ▁dom est ik os ▁ton ▁sch ol on ▁( comm ander - in - ch ief ) ▁of ▁the ▁Eastern ▁field ▁army . ▁By ▁ 1 0 6 8 ▁Manuel ▁held ▁the ▁high ▁court ▁rank ▁of ▁pro top ro ed ros . ▁In ▁that ▁year ▁he ▁married ▁a ▁relative ▁of ▁Emperor ▁Roman os ▁IV ▁Di ogen es ▁( ), ▁who ▁on ▁the ▁occasion ▁raised ▁him ▁further ▁to ▁k ou rop al ates ▁and ▁appointed ▁him ▁to ▁the ▁military ▁post ▁of ▁proto str ator . ▁The ▁couple ▁had ▁at ▁least ▁one ▁daughter , ▁most ▁likely ▁named ▁Anna ▁after ▁Manuel ' s ▁mother . ▁ ▁As ▁proto str ator , ▁Manuel ▁confront ed ▁the ▁ra ids ▁of ▁the ▁Sel ju q ▁Tur ks ▁into ▁eastern ▁Asia ▁Minor . ▁In ▁one ▁such ▁sk irm ish ▁in ▁ 1 0 7 0 , ▁he ▁fool hard ily ▁pressed ▁ahead ▁to ▁the ▁Turkish ▁camp , ▁and ▁was ▁captured ▁after ▁a ▁bitter ▁struggle . ▁His ▁loss ▁led ▁to ▁the ▁defeat ▁of ▁his ▁army ▁and ▁the ▁capture ▁of ▁his ▁two ▁lie uten ants ▁and ▁brothers - in - law , ▁Michael ▁T aron ites ▁and ▁N ike ph or os ▁Mel issen os . ▁Br ought ▁before ▁the ▁Turkish ▁leader , ▁a ▁certain ▁Ch rys os k oul os , ▁Manuel ▁managed ▁to ▁infl ame ▁his ▁amb ition ▁and ▁raise ▁him ▁in ▁revol t ▁against ▁his ▁nom inal ▁so ver eign , ▁Sultan ▁Al p ▁Ar sl an ▁( ). ▁Indeed ,