Biography
Sizzo III. von Schwarzburg-Käfernburg, Graf von Schwarzburg, Graf von Käfernburg, Graf im Längwitzgau, Vogt von Paulinzella, was born circa 1095 to Günther III. von Schwarzburg-Käfernburg (c1074-aft1100) and Mechthild Yaropolkovna of Turov (c1076) and died 19 June 1160 of unspecified causes. He married Gisela von Berg (c1106-1142) 1133 JL .
Children
| Name | Birth | Death | Joined with |
| Mathilde von Schwarzburg-Käfernburg (c1128-1192) | 1128 | 1192 | Adolf II. von Holstein (-1164) |
| Gisela von Schwarzburg-Käfernburg (-) | |||
| Heinrich I. von Schwarzburg-Käfernburg (c1130-1184) | |||
| Günther III. von Schwarzburg-Käfernburg (c1135-1197) | 1135 | 1197 | Gertrud von Meißen (c1131-bef1180) Adelheid von Hallermund-Loccum (-aft1180) |
Footnotes (including sources)
| ‡ General |