Nielsen Hayden genealogy
Ancestors of Otto II von Hohenstaufen
1167 - 1200 (33 years) ┌── Frederick
┌── Frederick of Büren (Abt 1020 - 1053)(m. Abt 1042)
│ └── Adelheid of Filsgau
│
┌── Frederick I of Swabia (Abt 1050 -
│ Bef 21 Jul 1105 bur.Lorch Abbey, Baden-Württemberg, Germany)(m. Abt 1086)
│ Bef 21 Jul 1105 bur.Lorch Abbey, Baden-Württemberg, Germany)(m. Abt 1086)
│ │
│ └── Hildegard of Egisheim-Dagsburg (Abt 1028 - Abt 1095)(m. Abt 1042)
│
┌── Frederick II von Hohenstaufen (1090 - 4 Apr 1147)(m. 1121)
│ │
│ │ ┌── Heinrich III, Holy Roman Emperor (28 Oct 1016 - 5 Oct 1056 Bodfeld, Harz, Germany)
│ │ │ (m. 21 Nov 1043) =>
│ │ ┌── Heinrich IV, Holy Roman Emperor (11 Nov 1050 Goslar, Lower Saxony, Germany -
│ │ │ 7 Aug 1106 Liège, Belgium)(m. 13 Jul 1066)
│ │ │ 7 Aug 1106 Liège, Belgium)(m. 13 Jul 1066)
│ │ │ └── Agnes of Poitou (Abt 1025 - 14 Dec 1077 Rome)(m. 21 Nov 1043) =>
│ │ │
│ └── Agnes of Germany (1073 - 24 Sep 1143 bur.Klosterneuberg, Austria)(m. Abt 1086)
│ │
│ │ ┌── Otto I of Savoy ( - Between 19 Jan 1057 and 1060)(m. Abt 1046) =>
│ └── Bertha of Turin (1051 - 27 Dec 1087 Mainz, Hessen, Germany)(m. 13 Jul 1066)
│ └── Adelaide of Susa (Abt 1015 - 27 Dec 1091 Canischio, Turino, Piedmont, Italy)
│ (m. Abt 1046) =>
│
┌── Frederick Barbarossa, Holy Roman Emperor (1122 - 10 Jun 1190 Saleph River, Cilicia, Anatolia)
│ (m. 9 Jun 1156 Würzburg, Germany)
│ │
│ │ ┌── Albert Azzo II (997 - 20 Aug 1097)(m. Abt 1035) =>
│ │ ┌── Welf I of Bavaria ( - 6 Nov 1101 Paphos, Cyprus)(m. 1071)
│ │ │ └── Kunigunde of Altdorf (Abt 1020 - Bef 31 Mar 1055)(m. Abt 1035) =>
│ │ │
│ │ ┌── Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)(m. Abt 1100)
│ │ │ │
│ │ │ │ ┌── Baldwin IV "The Bearded" (980 - 29 May 1035 bur.Abbey of Saint-Pierre, Ghent,
│ │ │ │ │ Flanders)(m. Aft Feb 1030) =>
│ │ │ │ │ Flanders)(m. Aft Feb 1030) =>
│ │ │ └── Judith of Flanders (Abt 1033 -
│ │ │ 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071)
│ │ │ 5 Mar 1094 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. 1071)
│ │ │ └── (Unknown daughter of Richard II, Duke of Normandy) (m. Aft Feb 1030) =>
│ │ │
│ └── Judith of Bavaria (19 May 1100 - Aft 22 Feb 1130 bur.Waldburg, Heiligen Forst, Alsace)(m. 1121)
│ │
│ │ ┌── Ordulf of Saxony (Abt 1020 - 28 Mar 1072)(m. Nov 1042) =>
│ │ ┌── Magnus of Saxony (Abt 1045 - 23 Aug 1106 bur.Artlenburg, Lower Saxony)
│ │ │ (m. Between 1070 and 1071)
│ │ │ └── Úfhildr Ólafsdóttir (Abt 1023 - 24 May 1070)(m. Nov 1042) =>
│ │ │
│ └── Wulfhilde of Saxony (Abt 1075 -
│ 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. Abt 1100)
│ 29 Dec 1126 Weingarten Abbey, Ravensburg, Upper Swabia, Germany)(m. Abt 1100)
│ │
│ │ ┌── Béla I, King of Hungary (Between 1015 and 1020 -
│ │ │ 11 Sep 1063 Kinizsa Creek, Hungary)(m. Between 1039 and 1043) =>
│ │ │ 11 Sep 1063 Kinizsa Creek, Hungary)(m. Between 1039 and 1043) =>
│ └── Sophia of Hungary (Abt 1050 - 18 Jun 1095)(m. Between 1070 and 1071)
│ └── Adelaide of Poland (22 Sep 1013 - Aft 1051)(m. Between 1039 and 1043) =>
│
Otto II von Hohenstaufen (1167 - 2 Jan 1200)
│
│ ┌── William I "The Great" of Burgundy ( - 12 Nov 1087)(m. Between 1049 and 1057)
│ │ └── Adélaïde of Normandy ( - Aft 1074)(m. Bef 2 Nov 1023) =>
│ │
│ ┌── Stephen I of Burgundy (1065 - 1102 Anatolia)
│ │ └── Stephanie ( - Aft 1092)(m. Between 1049 and 1057)
│ │
│ ┌── Renaud III of Burgundy (Abt 1093 - 1148)
│ │ └── Beatrix
│ │
└── Beatrice of Burgundy (Abt 1144 - 15 Nov 1184 Jouhe, Jura, France)(m. 9 Jun 1156 Würzburg, Germany)
│
│ ┌── Gerard of Lorraine (Abt 1008 - 4 Apr 1070 Remiremont, Vosges, France) =>
│ ┌── Thierri II of Lorraine ( - 1115)
│ │ └── Hedwig of Namur (of Namur, Belgium - Between 1075 and 1080) =>
│ │
│ ┌── Simon I of Lorraine (Abt 1076 - 14 Jan 1138)
│ │ │
│ │ │ ┌── Frederick of Formbach (Abt 1020 - Abt 1060) =>
│ │ └── Hedwig of Formbach ( - Between 1085 and 1090)
│ │ └── Gertrude von Haldensleben ( - 21 Feb 1116) =>
│ │
└── Agatha of Lorraine ( - 1147)
│
│ ┌── Henry II of Louvain (Abt 1021 - Abt 1078 bur.Abbey of Nivelles, Brabant) =>
│ ┌── Henry III of Louvain ( - 1095 Tournai, Hainaut, Belgium)(m. Abt 1090)
│ │
└── Adelaide of Louvain ( - Aft 4 Nov 1158)
│
│ ┌── Robert I "The Frisian" (Abt 1035 - 3 Oct 1093)(m. 1063) =>
└── Gertrude of Flanders (Abt 1070 - 1117)(m. Abt 1090)
└── Gertrude of Saxony (Abt 1030 - 4 Aug 1113)(m. 1063) =>