Facts: - dynasty: doukid dynasty - title: co-emperor of the byzantine empire - caption: gold vii flanked by his brothers andronikos and konstantios on the '' obverse , romanos iv and eudokia makrembolitissa crowned by christ histamenon on the reverse '' of romanos iv : michael - reign: 1060 -- 1078 - successor: nikephoros iii botaneiates - mother: eudokia makrembolitissa - predecessor: michael vii - death date: 1082 - father: constantine x - birth date: 1060 - name: konstantios doukas - image: romanus iv histamenon with co-rulers . jpg Based on these bullet points, write a short biography describing the life of konstantios doukas .
Answer:
konstantios doukas -lrb- , 1060 -- 1082 -rrb- , latinized as constantius ducas , was the son of byzantine emperor constantine x doukas and younger brother of byzantine emperor michael vii doukas .he reigned as junior co-emperor from his birth , but was unable to establish himself as sole emperor against nikephoros iii when michael vii abdicated in 1078 .