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Cäcilia von Thüringen was born circa 1133 in Germany to Ludwig I. von Thüringen (c1092-1140) and Hedwig von Gudensberg (1098-1148) and died circa 1185 of unspecified causes. She married Udalrich II. von Königgrätz und Olmütz Böhmen (1134-1177) .
Residences
Siblings
| Name | Birth | Death | Joined with |
| Ludwig II. von Thüringen (1128-1172) | 1128 | 14 October 1172 Freyburg, Burgenland District, Saxony-Anhalt, Germany (Schloss Neuenburg (Freyburg)) | Jutta von Schwaben (1133-1191) |
| Heinrich Raspe II. von Gudensberg (c1130-1155) | 1130 Germany | 1155 | |
| Cäcilia von Thüringen (c1133-c1185) | 1133 Germany | 1185 | Udalrich II. von Königgrätz und Olmütz Böhmen (1134-1177) |
| Jutta von Thüringen (c1135-c1175) | 1135 Germany | 1175 | Vladislav II of Bohemia (c1110-1174) |
| Adelheid von Thüringen (c1137-c1195) | 1137 Germany | 1195 | Burchard II. von Querfurt (c1110-c1161) |
| Mathilde von Thüringen (c1140-c1190) | 1140 Germany | 1190 | |