Nielsen Hayden genealogy
Family: Otto / Adela de Louvain (F14586)
Wilhelm III (960-1039) 
|
Oda ( -1067)
|
Poppo II (1008-1043)  |
| Lambert II (991-1062)
|
| Henry II of Louvain (1021-1078) |
| Otto (1005-1067)
|
| Adela de Louvain ( -1083)
|
| Adelheid ( -1100) |
| Kunigunde ( -1140) |