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Otto the Child Welf von Braunschweig-Lüneburg, Duke of Brunswick-Lunenburg, was born circa 1204 to Wilhelm von Braunschweig-Lüneburg (1184-1213) and Helen of Denmark (c1174-1233) and died 9 June 1252 Lüneburg, Lower Saxony, Germany of unspecified causes. He married Mechthild von Brandenburg (c1210-1261) 1228 JL . William I of England (1027-1087), Henry II of England (1133-1189), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.



Children



Offspring of Otto von Braunschweig-Lüneburg and Mechthild von Brandenburg (c1210-1261)
Name Birth Death Joined with
Elizabeth von Braunschweig (c1235-1266) 1235 1266 Willem II van Holland (1228-1256)
Helene von Braunschweig-Lüneburg (1223-1273) 18 March 1223 6 September 1273 Hermann II. von Thüringen (1223-1241) Hermann II. von Thüringen (1223-1241) Albrecht I. von Sachsen (c1180-1261)
Adelheid von Braunschweig (-1274) 1274 Heinrich von Hessen (1244-1308)
Mechtild von Braunschweig-Lüneburg (-c1295) 1295 Heinrich II. von Anhalt (1215-1266)
Agnes von Braunschweig (c1240-c1287) 1240 1287 Wizlaw II. von Rügen (1240-1302)
Albrecht I. der Große von Braunschweig-Lüneburg (1236-1279) 1236 15 August 1279 Braunschweig, Lower Saxony, Germany Elisabeth van Brabant (1243-1261) Elisabeth van Brabant (1243-1261) Adelaide von Montferrat (c1237-1285)
Johann I. von Lüneburg (1242-1277) 1242 13 December 1277 Liutgard von Holstein (c1251-1289)
Otto von Hildesheim (-1279)
Conrad von Verden (-1300)
















Footnotes (including sources)

‡ General


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