Nielsen Hayden genealogy
Ancestors of Hermann I of Thuringia
Abt 1154 - 1217 (~ 63 years)
┌── Ludwig 
(Abt 1015 - Abt 13 Jun 1080 bur.St. Albans Abbey, Mainz, Hessen, Germany)
(Abt 1015 - Abt 13 Jun 1080 bur.St. Albans Abbey, Mainz, Hessen, Germany) ┌── Ludwig of Thuringia (Abt 1042 - Abt 6 May 1123)(m. 5 Feb 1088)
(Abt 1042 - Abt 6 May 1123)(m. 5 Feb 1088) │ └── Cacelie von Sangerhausen
│
┌── Ludwig I of Thuringia (Abt 1090 - 12 Jan 1140)
(Abt 1090 - 12 Jan 1140) │ │
│ │ ┌── Lothar-Udo II (Aft 994 - 7 Nov 1057) =>
(Aft 994 - 7 Nov 1057) => │ │ ┌── Lothar-Udo III (Between 1020 and 1030 - 4 May 1082)
(Between 1020 and 1030 - 4 May 1082) │ │ │ └── Adelheid von Rheinfelden ( - Aft 7 Dec 1057)
( - Aft 7 Dec 1057) │ │ │
│ └── Adelheid von Stade (Abt 1065 - 18 Oct 1110)(m. 5 Feb 1088)
(Abt 1065 - 18 Oct 1110)(m. 5 Feb 1088) │ │
│ │ ┌── Hermann III (Abt 1015 - Bef 1050) =>
(Abt 1015 - Bef 1050) => │ └── Oda von Werl (Abt 1050 - 13 Jan 1110)
(Abt 1050 - 13 Jan 1110) │ └── Richenza ( - Bef 11 Jan 1083)
( - Bef 11 Jan 1083) │
┌── Ludwig II of Thuringia (Abt 1128 - 14 Oct 1172)
(Abt 1128 - 14 Oct 1172) │ │
│ │ ┌── Giso von Gudensberg
│ │ ┌── Giso (Abt 1070 - 12 Mar 1122)(m. Between 1096 and 1099)
(Abt 1070 - 12 Mar 1122)(m. Between 1096 and 1099) │ │ │ └── Mechtild ( - 4 Nov 1110)
( - 4 Nov 1110) │ │ │
│ └── Hedwig von Gudensberg ( - 1148)
( - 1148) │ │
│ │ ┌── Rugger II
│ └── Kunigunde von Bilstein ( - Between 1130 and 1138)(m. Between 1096 and 1099)
( - Between 1130 and 1138)(m. Between 1096 and 1099) │ │
│ │ ┌── Werner III
│ └── (Unknown) von Gudensberg
│
Hermann I of Thuringia (Abt 1154 - 25 Apr 1217)
│
│ ┌── Frederick
│ ┌── Frederick of Büren (Abt 1020 - 1053)(m. Abt 1042)
(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)
(Abt 1050 -│ │ Bef 21 Jul 1105 bur.Lorch Abbey, Baden-Württemberg, Germany)(m. Abt 1086)
│ │ │
│ │ └── Hildegard of Egisheim-Dagsburg (Abt 1028 - Abt 1095)(m. Abt 1042)
(Abt 1028 - Abt 1095)(m. Abt 1042) │ │
│ ┌── Frederick II von Hohenstaufen (1090 - 4 Apr 1147)(m. Between 1131 and 1135)
(1090 - 4 Apr 1147)(m. Between 1131 and 1135) │ │ │
│ │ │ ┌── Heinrich III, Holy Roman Emperor (28 Oct 1016 - 5 Oct 1056 Bodfeld, Harz, Germany)
(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)
(11 Nov 1050 Goslar, Lower Saxony, Germany -│ │ │ │ 7 Aug 1106 Liège, Belgium)(m. 13 Jul 1066)
│ │ │ │ └── Agnes of Poitou (Abt 1025 - 14 Dec 1077 Rome)(m. 21 Nov 1043) =>
(Abt 1025 - 14 Dec 1077 Rome)(m. 21 Nov 1043) => │ │ │ │
│ │ └── Agnes of Germany (1073 - 24 Sep 1143 bur.Klosterneuberg, Austria)(m. Abt 1086)
(1073 - 24 Sep 1143 bur.Klosterneuberg, Austria)(m. Abt 1086) │ │ │
│ │ │ ┌── Otto I of Savoy ( - Between 19 Jan 1057 and 1060)(m. Abt 1046) =>
( - Between 19 Jan 1057 and 1060)(m. Abt 1046) => │ │ └── Bertha of Turin (1051 - 27 Dec 1087 Mainz, Hessen, Germany)(m. 13 Jul 1066)
(1051 - 27 Dec 1087 Mainz, Hessen, Germany)(m. 13 Jul 1066) │ │ └── Adelaide of Susa (Abt 1015 - 27 Dec 1091 Canischio, Turino, Piedmont, Italy)
(Abt 1015 - 27 Dec 1091 Canischio, Turino, Piedmont, Italy) │ │ (m. Abt 1046) =>
│ │
└── Jutta of Swabia (Abt 1133 - 7 Jul 1191)
(Abt 1133 - 7 Jul 1191) │
│ ┌── Sigebert I ( - Aft 1080)
( - Aft 1080) │ ┌── Friedrich I of Saarbrücken (Abt 1080 - Bef 1135)
(Abt 1080 - Bef 1135) └── Agnes von Saarbrücken (m. Between 1131 and 1135)
(m. Between 1131 and 1135)