Nielsen Hayden genealogy
Ancestors of Louis de Montbéliard
1019 - 1073 (~ 65 years) ┌── Richwin
Louis de Montbéliard (Between 1005 and 1019 - Between 1070 and 1073)
│ ┌── Hugo VI of Egisheim (Abt 970 - ??)
│ │ └── Luitgard von Metz
│ │
└── Heilwig von Dagsburg ( - 1046)