Nielsen Hayden genealogy
Ancestors of Frédéric I
Abt 1143 - 1207 (~ 64 years) ┌── Thierri II of Lorraine ( - 1115) =>
┌── Simon I of Lorraine (Abt 1076 - 14 Jan 1138)
│ └── Hedwig of Formbach ( - Between 1085 and 1090) =>
│
┌── Matthias I of Lorraine (Abt 1119 - 13 May 1176)(m. Abt 1138)
│ │
│ │ ┌── Henry III of Louvain ( - 1095 Tournai, Hainaut, Belgium)(m. Abt 1090) =>
│ └── Adelaide of Louvain ( - Aft 4 Nov 1158)
│ └── Gertrude of Flanders (Abt 1070 - 1117)(m. Abt 1090) =>
│
Frédéric I (Abt 1143 - 1207)
│
│ ┌── 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) =>
│ ┌── Frederick II von Hohenstaufen (1090 - 4 Apr 1147)(m. 1121)
│ │ └── Agnes of Germany (1073 - 24 Sep 1143 bur.Klosterneuberg, Austria)(m. Abt 1086) =>
│ │
└── Bertha of Swabia (1123 - Aft Mar 1195)(m. Abt 1138)
│
│ ┌── Henry IX of Bavaria (1074 - 13 Dec 1126 Ravensburg, Upper Swabia, Germany)(m. Abt 1100) =>
└── Judith of Bavaria (19 May 1100 - Aft 22 Feb 1130 bur.Waldburg, Heiligen Forst, Alsace)(m. 1121)
└── 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) =>