Nielsen Hayden genealogy
Ancestors of Dirk III of Friesland
989 - 1039 (~ 58 years) ┌── Dirk I ( - Aft 928)
┌── Dirk II ( - 6 May 988)
│ └── Geva
│
┌── Arnulf of Ghent (951 Ghent, Flanders - 18 Sep 993 Winkel, West Friesland)(m. May 980)
│ │
│ │ ┌── Arnulf I "The Great" (Abt 885 - 964 bur.Abbey of Saint-Pierre, Ghent, Flanders)(m. 922) =>
│ └── Hildegard of Flanders ( - 990)
│ └── Adèle de Vermandois (Between 910 and 915 - 958 bur.Abbey of Saint-Pierre, Ghent, Flanders)
│ (m. 922) =>
│
Dirk III of Friesland (Between 981 and 989 - 27 May 1039 bur.Egmond Abbey, Bergen, North Holland)
│
│ ┌── Wigeric ( - Aft 19 Jan 916 bur.Hastière, Belgium)(m. Abt 908)
│ ┌── Siegfried of Luxembourg (Between 915 and 920 - Abt 998 bur.Saint-Maximum, Trier, Germany)
│ │ (m. Abt 955)
│ │
└── Luitgard of Luxembourg ( - Aft 1005 bur.Egmond Abbey, Bergen, North Holland)(m. May 980)
└── Hedwig (Between 935 and 940 - 13 Dec 992 bur.Saint-Maximum, Trier, Germany)(m. Abt 955)