John I. de Viennois1275–
- Name
- John I. de Viennois
| Birth | estimated as equal to wife's birth year about 1275 |
| Death of a wife | Bonne de Savoie between 1294 and 1300 (Age 19 years) |
| Occupation | Dauphin |
| Family with Bonne de Savoie |
| himself |
John I. de Viennois Birth: estimated as equal to wife's birth year — about 1275 |
| wife |
Bonne de Savoie Birth: 1275 25 20 Death: between 1294 and 1300 |
| Hugh de Bourgogne + Bonne de Savoie |
| wife’s husband |
Hugh de Bourgogne Birth: estimated as close to sibling(s) — about 1227 7 3 Death: 1324 |
| wife |
Bonne de Savoie Birth: 1275 25 20 Death: between 1294 and 1300 |
|
Marriage: 1282 — |