Nielsen Hayden genealogy
Descendants of Arnulf II "The Young"
- 987Father: Baldwin III (Abt 940 - 961 bur.Abbey of Saint-Bertin, Saint-Omer, Pas-de-Calais, France)
Mother: Mathilde of Saxony ( - 25 May 1009)
Arnulf II "The Young" ( - 30 Mar 987 bur.Abbey of Saint-Pierre, Ghent, Flanders)
Rozala of Italy, Queen Consort of France (Between 945 and 955 -
13 Dec 1003 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968)
13 Dec 1003 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 968)
   └─ Baldwin IV "The Bearded" (980 - 29 May 1035 bur.Abbey of Saint-Pierre, Ghent, Flanders)
    Otgiva of Luxembourg (Abt 995 - 21 Feb 1030)(m. Abt 1005)
    :   └─ Baldwin V (Abt 1010 - 1 Sep 1067 bur.Lille, Nord, Nord-Pas-de-Calais, France)
    :    St. Adele of France (Between 1010 and 1015 - 8 Jan 1079 bur.Abbey of Messines, Ypres, Flanders)
    :    (m. 1028 Paris, France)
    :    (m. 1028 Paris, France)
    :       ├─ Baldwin VI (Abt 1030 - 10 Jul 1070 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France) =>
    :       │ + Richilde of Hainaut (Between 1015 and 1020 -
    :       │ 15 Mar 1086 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055)
    :       │ 15 Mar 1086 bur.Abbey of Hasnon, Nord-Pas-de-Calais, France)(m. Abt 1055)
    :       ├─ Matilda of Flanders, Queen Consort of England (1032 - 2 Nov 1083 bur.Abbey of Sainte-Trinitie,
    :       │ Caen, Calvados, Normandy, France) =>
    :       │ Caen, Calvados, Normandy, France) =>
    :       │ + William I, King of England (1027-1028 Falais, Calvados, Normandy, France -
    :       │ 9 Sep 1087 St. Gervais, near Rouen, Seine-Maritime, Normandy, France)(m. Abt 1050)
    :       │ 9 Sep 1087 St. Gervais, near Rouen, Seine-Maritime, Normandy, France)(m. Abt 1050)
    :       └─ Robert I "The Frisian" (Abt 1035 - 3 Oct 1093) =>
    :        + Gertrude of Saxony (Abt 1030 - 4 Aug 1113)(m. 1063)
    (Unknown daughter of Richard II, Duke of Normandy) (m. Aft Feb 1030)
       └─ Judith of Flanders (Abt 1033 - 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)
        + Tostig Godwinson ( - 25 Sep 1066)(m. Bef Sep 1051)
        Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)(m. 1071)
           └─ Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany) =>
            + Wulfhilde of Saxony (Abt 1075 - 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)
            (m. Abt 1100)
            (m. Abt 1100)