| Male Alexius III Angelus Byzantine Emperor |
| Birth | 1143 | |
| Death | 1211 | Iznik (Nicaea), Bursa, Turkey |
| Burial | ||
| Marriage | ||
| Father | Andronicus Angelus | F3411 Group Sheet | |
| Mother | Euphrosyne Castamonita | F3411 Group Sheet | |
| Female Euphrosyne Dukaina Kamaterina |
| Birth | 1163 | |
| Death | 1211 | |
| Burial | ||
| Father | Andronicus Dukas Kamateros | F3414 Group Sheet | |
| Mother | ||
| Female Anna Comnene Angelina |
| Birth | 1156 | |
| Death | 1212 | |
| Burial | ||
| Spouse | Theodore I Lascaris Byzantine Emperor | F3408 | |
| Marriage | ||