Nielsen Hayden genealogy
Family: Albrecht I of Saxony / Helene of Brunswick-Lüneburg (F15233)
m. Between 1247 and 1248
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Bernhard III of Saxony (1140-1212)
|
Judith of Poland (1152-1202)
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Heinrich I von Anhalt (1170-1251)  |
| Otto I of Brunswick-Lüneburg (1204-1252)
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| Matilde von Brandenburg (1210-1261)
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| Adelheid of Brunswick-Lüneburg ( -1274) |
| Agnes of Brunswick-Lüneburg ( -1302) |
| Albrecht I (1236-1279) |
| Albrecht I of Saxony (1180-1261)
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| Helene of Brunswick-Lüneburg (1223-1273)
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| Albrecht II of Saxony ( -1298) |
| Helene of Saxony ( -1309) |