Nielsen Hayden genealogy
Family: Ralph de Gand / Gisela of Luxembourg (F2202)
Frederick I of Luxembourg (965-1019) 
|
Imiza of Luxembourg (1000-1055)  |
| Frederick of Luxembourg (1003-1036) |
| Giselbert of Luxembourg (1007-1059) |
| Ralph de Gand ( -1052) |
| Gisela of Luxembourg ( -1059)
|
| Gilbert I de Gant (1034-1095) |