Duarte de Portugal1405–
- Name
- Duarte de Portugal
| Birth | estimated a gap of 25 years about 1405 |
| Birth of a son #1 | Ferdinand of Viseu about 1430 (Age 25 years) |
| Occupation | king |
| Duarte de Portugal + … … |
| himself |
Duarte de Portugal Birth: estimated a gap of 25 years — about 1405 |
| son |
Ferdinand of Viseu Birth: estimated as equal to wife's birth year — about 1430 25 |