Tracing Douglas family roots - unraveling history, one generation at a time.

![]() | Theodora Dukaina Batatzaina |
| Theodora Dukaina Batatzaina | |
| B: | 1240 |
| D: | 1303 |
| Michael VIII Palaiologos Emperor of Byzantium | |
| B: | 1224 |
| Constantinople (Istanbul), Byzantium | |
| M: | 1253 |
| D: | 1282 |
![]() | Ioannes Batatze |
| Ioannes Batatze | |
| B: | Ioannes Batatzes |
| D: | 1215 |
![]() | Eudokia Angelina |
| Eudokia Angelina | |
| D: | Yes, date unknown |
![]() | Isaakios Dukas Batatzes |
| Isaakios Dukas Batatzes | |
| D: | Yes, date unknown |
| Ióannés IV Dukas Batatzes Emperor of Byzantium | |
| B: | 1250 |
| D: | 1305 |
| Thedoros II Dukas Batatzes Emperor of Byzantium | |
| B: | 1222 |
| D: | 1258 |
![]() | Elena of Bulgaria |
| Elena of Bulgaria | |
| B: | Abt 1224 |
| M: | 1235 |
| D: | Abt 1254 |
| Ióannés III Dukas Batatzes Emperor of Byzantium | |
| B: | 1192 |
| D: | 3 Nov 1254 |
|
![]() | Daughter of Isaakios Angelos |
| Daughter of Isaakios Angelos | |
| D: | Yes, date unknown |
| Basileios Batatzes Duke of Thrace | |
| D: | 1193 |
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