Ioannis Dukas & Eirene Pegonitissa 
They had a son named Andronicus.
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Personal Details
Ioannis Dukas
Ioannis was born in 1012 in Constantinople, Byzantine Empire.1 He died at the age of 76 in 1088.1
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Children
Emperor of Byzantium Andronicus Dukas
Andronicus was born in 1036 in Constantinople, Byzantine Empire.1 He died at the age of 41 on October 14th, 1077.1