

| Adelheid von Braunschweig-Lüneburg | |
| *: | 1244 |
| Lüneburg, Niedersachsen, (DE) | |
| +: | 12 Jun 1274 |
| Marburg an der Lahn, (DE) | |
| Heinrich I. von Hessen | |
| *: | 24 Jun 1244 |
| Leuven, Brabant, (BE) | |
| oo: | 10 Sep 1263 |
| Marburg an der Lahn, (DE) | |
| +: | 21 Dez 1308 |
| Marburg an der Lahn, (DE) | |
| Helene von Braunschweig, - Lüneburg | |
| *: | 1231/32 |
| Braunschweig, Braunschweig, (DE) | |
| +: | 23 Sep 1273 |
| Braunschweig, Braunschweig, Preussen, (DE) | |
| Herzog Albert I. von Sachsen, - Ascania | |
| *: | 1179 |
| Dänemark, (DK) | |
| +: | 8 Nov 1261 |
| Hermann II von Thuringen | |
| *: | 1222/23 |
| Ungarn, (HU) | |
| oo: | 1251 |
| Marburg, Hessen, (DE) | |
| +: | 10 Jan 1241 |
| Wartburg, Sachsen-Weimar-Eisenach, Thüringen, (DE) | |
| Agnes Princess of Brunswick Luneburg | |
| *: | 1240-01-08/+1241-01-07 |
| Braunschweig, Braunschweig, Preussen, (DE) | |
| +: | 1302 |
| Bergen, Rügen, Pomerania, Preussen, (DE) | |
| Prince Vitslav II of Rugen | |
| *: | 1240 |
| Bergen, Rugen, Pommern, Preussen, (DE) | |
| oo: | 1263-01-08/+1270-01-07 |
| Braunschweig, Preussen, (DE) | |
| +: | 1302-01-09/+1303-01-08 |
| Bergen, Rugen, Pommern, Preussen, (DE) | |
| Vitslav II [of Brunswick Luneburg] | |
| *: | 1240-01-08/+1246-01-07 |
| oo: | 1263-01-08/+1270-01-07 |
| Duke Johann I Brunswick-Luneburg | |
| *: | 1242-01-08/+1243-01-07 |
| +: | 20 Dez 1277 |
| Lüneburg, Hannover, (DE) | |
| Countess Luitgard Holstein | |
| *: | 1251-01-08/+1252-01-07 |
| Itzehoe, Schleswig-Holstein, (DE) | |
| oo: | 4 Aug 1265 |
| +: | 7 Mrz 1289 |
| Itzehoe, Schleswig-Holstein, (DE) | |
| Albrecht I von Braunschweig-Lüneburg | |
| *: | 1236 |
| Braunschweig, Niedersachsen, (DE) | |
| +: | 15 Aug 1279 |
| Braunschweig, Braunschweig, (DE) | |
| Alessina von Montferrat | |
| *: | 1237 |
| Italien, (IT) | |
| oo: | UM 1263 |
| +: | 6 Feb 1285 |
| Otto I. von Braunschweig-Lüneburg | |
| *: | 1204 |
| Schöningen, Niedersachsen, (DE) | |
| +: | 9 Jun 1252 |
| Lüneburg, Niedersachsen, (DE) | |
| Matilde von Brandenburg | |
| *: | 1210 |
| oo: | 1228 |
| +: | 10 Jun 1261 |
| Wilhelm von Braunschweig-Lüneburg | |
| *: | 11 Apr 1184 |
| Winchester, Hampshire, (GB) | |
| +: | 12 Dez 1213 |
| Lüneburg, Niedersachsen, (DE) | |
| Helena von Dänemark | |
| *: | 1180 |
| oo: | 1202 |
| +: | 22 Nov 1233 |
| Lüneburg, Niedersachsen, (DE) | |
| Adelheid von Braunschweig-Lüneburg | |
| *: | 1244 |
| Lüneburg, Niedersachsen, (DE) | |
| +: | 12 Jun 1274 |
| Marburg an der Lahn, (DE) | |
| Heinrich I. von Hessen | |
| *: | 24 Jun 1244 |
| Leuven, Brabant, (BE) | |
| oo: | 10 Sep 1263 |
| Marburg an der Lahn, (DE) | |
| +: | 21 Dez 1308 |
| Marburg an der Lahn, (DE) | |
| Helene von Braunschweig, - Lüneburg | |
| *: | 1231/32 |
| Braunschweig, Braunschweig, (DE) | |
| +: | 23 Sep 1273 |
| Braunschweig, Braunschweig, Preussen, (DE) | |
| Herzog Albert I. von Sachsen, - Ascania | |
| *: | 1179 |
| Dänemark, (DK) | |
| +: | 8 Nov 1261 |
| Hermann II von Thuringen | |
| *: | 1222/23 |
| Ungarn, (HU) | |
| oo: | 1251 |
| Marburg, Hessen, (DE) | |
| +: | 10 Jan 1241 |
| Wartburg, Sachsen-Weimar-Eisenach, Thüringen, (DE) | |
| Agnes Princess of Brunswick Luneburg | |
| *: | 1240-01-08/+1241-01-07 |
| Braunschweig, Braunschweig, Preussen, (DE) | |
| +: | 1302 |
| Bergen, Rügen, Pomerania, Preussen, (DE) | |
| Prince Vitslav II of Rugen | |
| *: | 1240 |
| Bergen, Rugen, Pommern, Preussen, (DE) | |
| oo: | 1263-01-08/+1270-01-07 |
| Braunschweig, Preussen, (DE) | |
| +: | 1302-01-09/+1303-01-08 |
| Bergen, Rugen, Pommern, Preussen, (DE) | |
| Vitslav II [of Brunswick Luneburg] | |
| *: | 1240-01-08/+1246-01-07 |
| oo: | 1263-01-08/+1270-01-07 |
| Duke Johann I Brunswick-Luneburg | |
| *: | 1242-01-08/+1243-01-07 |
| +: | 20 Dez 1277 |
| Lüneburg, Hannover, (DE) | |
| Countess Luitgard Holstein | |
| *: | 1251-01-08/+1252-01-07 |
| Itzehoe, Schleswig-Holstein, (DE) | |
| oo: | 4 Aug 1265 |
| +: | 7 Mrz 1289 |
| Itzehoe, Schleswig-Holstein, (DE) | |
| Albrecht I von Braunschweig-Lüneburg | |
| *: | 1236 |
| Braunschweig, Niedersachsen, (DE) | |
| +: | 15 Aug 1279 |
| Braunschweig, Braunschweig, (DE) | |
| Alessina von Montferrat | |
| *: | 1237 |
| Italien, (IT) | |
| oo: | UM 1263 |
| +: | 6 Feb 1285 |
| Otto I. von Braunschweig-Lüneburg | |
| *: | 1204 |
| Schöningen, Niedersachsen, (DE) | |
| +: | 9 Jun 1252 |
| Lüneburg, Niedersachsen, (DE) | |
| Matilde von Brandenburg | |
| *: | 1210 |
| oo: | 1228 |
| +: | 10 Jun 1261 |
| Wilhelm von Lüneburg | |
| *: | 11 Apr 1184 |
| Winchester, Hampshsire, (GB) | |
| +: | 12 Dez 1213 |
| Lüneburg, Niedersachsen, (DE) | |
| Helena von Dänemark | |
| *: | 1180 |
| oo: | 1202 |
| +: | 22 Nov 1233 |
| Lüneburg, Niedersachsen, (DE) | |
| Richenza von Sachsen, [Welfin] | |
| *: | 1172/73 |
| Brunswick, (DE) | |
| +: | 1204 |
| Enguerrand III. de Coucy | |
| *: | 1182/83 |
| Marle, Aisne, Picardie, (FR) | |
| +: | 1242/43 |
| Coucy, Aisne, Picardie, (FR) | |
| Geoffroi du Perche | |
| *: | 1054 |
| +: | 1102 |
| Soissons, Aisne, Picardie, (FR) | |
| Lothar Prince of Saxony | |
| *: | 1175 |
| +: | 15 Okt 1190 |
| Augsberg, Illschwang, Amberg-Sulzbach, Oberpfalz, (DE) | |
| Otto IV von Braunschweig | |
| *: | 1175 |
| Braunschweig, Braunschweig-Lüneburg, HolyRomanEmpire | |
| +: | 19 Mai 1218 |
| Harzburg, Tettens, Tettens, Jever, Oldenburg, (DE) | |
| Béatrice de SOUABE | |
| *: | 1198-06 |
| Worms, Rheinland-Pfalz, (DE) | |
| oo: | 1212-06 |
| +: | 18 Aug 1212 |
| Nordhausen, HolyRomanEmpire | |
|
| Matilda Plantagenet | |
| *: | Aug 1156 |
| Windsor Castle, Windsor, Berkshire, (GB) | |
| +: | 28 Jun 1189 |
| Braunschweig, (DE) | |
| Herzog Heinrich III/XII [Welfen] von Braunschweig, „der Löwe" | |
| *: | 1129/30 |
| +: | 6 Aug 1195 |
| Braunschweig, (DE) | |