Our Family's Journey Through Time
 MaleJohannes Dukas van Byzantium |
| Birth | Abt 1193 | |
| Death | 30 Oct 1254 | Nymphaion  |
| Burial | ||
| Marriage | Abt 1240 | |
| Other Spouse | Irene Laskaris | F1568 | |
| Marriage | Abt 1212 | |
| Father | ||
| Mother | ||
 FemaleConstantia van Hohenstaufen |
| Birth | Abt 1230 | |
| Death | 01 Jun 1307 | Valencia |
| Burial | ||
| Father | Constantin Roger Friedrich van Hohenstaufen | F343 Group Sheet | |
| Mother | Bianca de Lancia van Agliano | F343 Group Sheet | |
| Notes | Married:
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