Nielsen Hayden genealogy
Family: Thierri II of Lorraine / Hedwig of Formbach (F1472)
Gerard of Lorraine (1008-1070) 
|
Hedwig of Namur ( -1075)
|
Gerard of Lorraine (1057-1117)  |
| Frederick of Formbach (1020-1060)
|
| Gertrude von Haldensleben ( -1116)
|
| Thierri II of Lorraine ( -1115)
|
| Hedwig of Formbach ( -1085)
|
| Petronella de Lorraine ( -1144) |
| Simon I of Lorraine (1076-1138) |