Mechtild
Duke of Brunswick-Lüneburg I Otto
1204-1252
1204-1252
Matilda of Brandenburg
1210-1261
1210-1261
Marquess of Montferrat II Boniface
1202-1253
1202-1253
Duke of Brunswick-Lüneburg I Albert
1236-1279
1236-1279
Duke of Brunswick-Lüneburg II Albert
1268-1318
1268-1318