Nielsen Hayden genealogy
Family: Wilhelm of Brunswick-Lüneburg / Helene of Denmark (F15025)
m. Jul 1202
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Heinrich of Saxony (1129-1195)
|
Matilda of England (1156-1189)
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Heinrich I of Rhein (1173-1227)  |
| Valdemar I den Store, King of Denmark (1131-1182)
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| Sofie of Polotsk (1141-1198)
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| Richiza of Denmark ( -1220) |
| Sophie Valdemarsdatter of Denmark (1159-1208) |
| Valdemar II Sejr, King of Denmark (1170-1241) |
| Wilhelm of Brunswick-Lüneburg (1184-1213)
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| Helene of Denmark (1180-1233)
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| Otto I of Brunswick-Lüneburg (1204-1252) |