Nielsen Hayden genealogy
Ancestors of Ludwig I of Thuringia
Abt 1090 - 1140 (~ 50 years) ┌── Ludwig (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)
│ └── Cacelie von Sangerhausen
│
Ludwig I of Thuringia (Abt 1090 - 12 Jan 1140)
│
│ ┌── Lothar-Udo II (Aft 994 - 7 Nov 1057) =>
│ ┌── Lothar-Udo III (Between 1020 and 1030 - 4 May 1082)
│ │ └── Adelheid von Rheinfelden ( - Aft 7 Dec 1057)
│ │
└── Adelheid von Stade (Abt 1065 - 18 Oct 1110)(m. 5 Feb 1088)
│
│ ┌── Hermann III (Abt 1015 - Bef 1050) =>
└── Oda von Werl (Abt 1050 - 13 Jan 1110)
└── Richenza ( - Bef 11 Jan 1083)