Nielsen Hayden genealogy
Ancestors of Dietrich IV
Abt 1130 - 1172 (~ 42 years) ┌── Rutger II (Abt 1030 - Abt 2 May 1075)
┌── Dirk II (Abt 1060 - Bef 1120)
┌── Arnold I (Between 1080 and 1085 - 14 Sep 1141)
┌── Arnold II (Between 1105 and 1106 - 20 Feb 1147)
│ └── Bertha ( - Aft 8 Apr 1143)
│
Dietrich IV (Abt 1130 - 1172)
│
│ ┌── Lambert I "The Bearded" (Abt 950 - 12 Oct 1015)(m. Between 985 and 990) =>
│ ┌── Lambert II (Abt 991 of Louvain, Brabant, Belgium - Aft 21 Sep 1062)
│ │ └── Gerberga of Lorraine ( - Aft 1017)(m. Between 985 and 990) =>
│ │
│ ┌── Henry II of Louvain (Abt 1021 - Abt 1078 bur.Abbey of Nivelles, Brabant)
│ │ │
│ │ └── Uda of Lorraine
│ │
│ ┌── Godfrey I of Brabant (Abt 1060 Louvain, Brabant, Belgium - 25 Jan 1139 Jerusalem)(m. Abt 1100)
│ │ │
│ │ │ ┌── Eberhard
│ │ └── Adelheid ( - Aft 1086)
│ │
└── Ida de Louvain ( - Bef 27 Jul 1162)
│
│ ┌── Arnold II (Abt 1040 - 16 Apr 1106)
│ ┌── Otto II (Abt 1065 - 28 Mar 1125)
│ │ │
│ │ │ ┌── Hildouin IV de Montdidier (Abt 1005 - 1063)(m. 1031) =>
│ │ └── Adèle de Montdidier
│ │ └── Adele de Roucy (Abt 1014 Roucy, Aisne, Picardy, France - 1062)(m. 1031) =>
│ │
└── Ida of Chiny and Namur (Abt 1083 - Between 1117 and 1122)(m. Abt 1100)
│
│ ┌── Albert II of Namur (Abt 1000 - 1064) =>
│ ┌── Albert III of Namur ( - 22 Jun 1102)(m. Abt 1067)
│ │ └── Regelindis of Lower Lorraine ( - 1064) =>
│ │
└── Adelaide de Namur (1068 - 1124)
└── Ida ( - 31 Jul 1102)(m. Abt 1067)