Nielsen Hayden genealogy
Ancestors of Nikolaus I of Werle
Abt 1213 - 1277 (~ 64 years) ┌── Przybyslaw, Prince of the Obotrites (Abt 1120 - 30 Dec 1178 Lüneburg, Lower Saxony, Germany) =>
┌── Heinrich Burwin I (Bef 1150 - 28 Jan 1227)(m. 1166)
│
┌── Heinrich Burwin II (Abt 1170 - 5 Dec 1226)(m. Abt 1200)
│ │
│ │ ┌── Heinrich of Saxony (1129 - 6 Aug 1195 Braunschweig, Lower Saxony, Germany) =>
│ └── Mechtild of Saxony (Abt 1150 - Bef 1219)(m. 1166)
│ └── Ida von Bliescastel =>
│
Nikolaus I of Werle (Abt 1213 - 10 May 1277)
└── Kristina ( - Aft 20 May 1248)(m. Abt 1200)