Surname Doukas (Doukas 
, Дука 
, Дукас ) , worldwide, is quite a common last name. The surname Doukas is habitual in Greece, where it is quite a common surname, Ukraine, where it is quite a rare surname, and Albania. In absolute terms, this name is the most popular in Greece, Ukraine, and Russia. Much less frequently, Doukas is the forename as well as the last name.
| konstantinos doukas Byzantine general (b. 900) |
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michael vii doukas Byzantine emperor (b. 1050) |
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| andronikos doukas Byzantine general (b. 1006) |
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konstantios doukas Byzantine co-emperor (1060-1082), AL (b. 1060) |
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| michael doukas Byzantine general (b. 1061) |
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| john doukas Byzantine admiral (b. 1064) |
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| konstantinos doukas Byzantine general and governor (b. 1101) |
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| john doukas Greek nobleman and general (b. 1126) |
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manuel komnenos doukas Ruler of Thessalonica (b. 1187) |
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| john doukas Byzantine general (b. 1150) |
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michael i komnenos doukas despot of Epirus, AL (b. 1200) |
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| isaac komnenos doukas (b. 1150) |
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| isaac angelos doukas (b. 1150) |
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| konstantinos komnenos doukas (1172-1242) (b. 1172) |
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john komnenos doukas Byzantine emperor (b. 1250) |
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