Nielsen Hayden genealogy
Bertold I

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- 1 Bertold I [1] d. Abt 7 Mar 1180
(Unknown) von Ortenburg
- 2 Heinrich [1.1]
d. Abt 13 Jun 1190
Agnes von Wangen
- 3 Adalbert III [1.1.1]
b. Abt 1180 d. 22 Jul 1253
Uta von Frontenhausen d. 1254
- 3 Adalbert III [1.1.1]
- 2 Heinrich [1.1]