Nielsen Hayden genealogy
Descendants of Marguerite de Bar
Father: Thibaud I of Bar and Luxembourg (Abt 1158 - 12 Feb 1214)
Mother: Ermesinde de Namur (Jul 1186 - 17 Feb 1247)
Marguerite de Bar
Hugues III (Abt 1200 - Between 20 Apr 1243 and 4 May 1244)
   └─ Henri I (Abt 1232 - Between 1 May 1278 and 10 Jul 1278)
    Marguerite (m. Bef 11 Feb 1252)
       └─ Marguerite
        Tommaso Sanseverino (Abt 1252 - 25 Sep 1324)
           └─ Enrico Sanseverino (Abt 1275 - Between 1317 and 5 Nov 1319) =>
            + Ilaria de Lauria ( - Aft 1340)