Nielsen Hayden genealogy
Descendants of Arnulf II
- Abt 990Father: Arnulf I ( - 971)
Arnulf II ( - Abt 990)
   └─ Baldwin ( - 1024)
    Adelvie de Gant
       └─ Eustace I (Abt 995 - Abt 1049)
        Mathilde of Louvain (Abt 993 - ??)
           │ + Godgifu of England (Abt 1010 - Bef 1049)
           │ + (Unknown mistress of Eustache II of Boulogne)
           │ + St. Ida of Verdun (Abt 1040 - 13 Aug 1113)(m. Bef 1054)
           ├─ Lambert II of Boulogne ( - 1054 Phalempin, Nord, France) =>
           │ + Alice of Normandy (Abt 1030 - Bef 1090)(m. 1054)
            + Frederick of Luxembourg (Abt 1003 - Aft 1035)