Nielsen Hayden genealogy
Family: Louis I / Jeanne (F14847)
m. Dec 1290Robert III of Flanders (1248-1322) 
|
Yolanda of Burgundy (1247-1280)
|
Yolanda of Flanders ( -1313)  |
| Hugues IV ( -1276)
|
| Isabelle de Grandpré ( -1292)
|
| Louis I ( -1322)
|
| Jeanne ( -1328)
|
| Louis II (1304-1346) |