Nielsen Hayden genealogy
Descendants of Folmar
Father: Folmar
Mother: Richilde
Folmar
   └─ Folmar ( - Bef 995)
    Bertha
       ├─ Folmar
       │
       │     +
       └─ Richilde
        Thierry I (Abt 965 - Between 11 Apr 1026 and 2 Jan 1027)(m. 985)
            + Mathilde of Swabia ( - Abt 1032)(m. Aft 1011)