Nielsen Hayden genealogy
Descendants of Beatrix of Lorraine
- Aft 987Father: Hugues "Le Grand" (Abt 895 - 17 Jun 956 Deurdan, Ile-de-France, France)
Mother: Hedwig of Saxony ( - Aft 958)
Beatrix of Lorraine ( - Aft 987)
Frédéric I (Between 910 and 915 - 18 May 978)(m. 954)
   └─ Thierry I (Abt 965 - Between 11 Apr 1026 and 2 Jan 1027)
    Richilde (m. 985)
       └─ Frederick II of Lorraine (Abt 995 - 1027)
        Mathilde of Swabia ( - Abt 1032)(m. Aft 1011)
            + Louis de Montbéliard (Between 1005 and 1019 - Between 1070 and 1073)(m. 1032)