Nielsen Hayden genealogy
Descendants of Godfrey of Lorraine
- Aft 949
Godfrey of Lorraine
( - Aft 1 Jun 949)
Ermentrude ( - Aft 934)
   └─ Gerberga of Alsace ( - Bef 24 May 996)
    Megingoz of Avalgau ( - Abt 998 Gelderland, Netherlands)
       └─ Ermentrude
        Heribert I of Kinziggau ( - 992)
            + Frederick I of Luxembourg (965 - 6 Oct 1019)(m. Bef 995)