| Lothair III | |
|---|---|
| Emperor of the Romans | |
 Portrait of Lothair in the Codex Eberhardi, Fulda monastery 1150/1160 | |
| Holy Roman Emperor | |
| Reign | 1133–1137 |
| Coronation | 4 June 1133, Rome |
| Predecessor | Henry V |
| Successor | Frederick I |
| King of Germany and Italy | |
| Reign | 1125–1137 |
| Coronation | 13 September 1125, Aachen (Germany) |
| Predecessor | Henry V |
| Successor | Conrad III |
| Born | before 9 June 1075 Lutterloh, Duchy of Saxony |
| Died | 4 December 1137 (aged 62) Breitenwang, Tyrol, Duchy of Bavaria |
| Burial | |
| Spouse | |
| Issue | Gertrude, Duchess of Bavaria |
| House | Supplinburg |
| Father | Gebhard of Supplinburg |
| Mother | Hedwig of Formbach |
Lothair III, sometimes numbered Lothair II[a] and also known as Lothair of Supplinburg (1075 – 4 December 1137), was Holy Roman Emperor from 1133 until his death. He was appointed Duke of Saxony in 1106 and elected King of Germany in 1125 before being crowned emperor in Rome. The son of the Saxon count Gebhard of Supplinburg, his reign was troubled by the constant intriguing of the Hohenstaufens, Duke Frederick II of Swabia and Duke Conrad of Franconia. He died while returning from a successful campaign against the Norman Kingdom of Sicily.
- ^ Detwiler, Donald S. Germany: A Short History (1999), p. 263
- ^ Lodovico Antonio Muratori (1788), Tavole cronologiche de'consoli ordinarj, papi, imperadori, re de' Romani, re d'Italia, prefetti di Roma, dogi di Venezia, e di Genova, de' quali si fa menzione negl' Annali d'Italia dal principio dell' era volgare sino all' anno MDCCL, Rome, 78–81.
- ^ John B. Freed (2016), Frederick Barbarossa: The Prince and the Myth, Yale University Press, p. 56; see, e.g., this diploma of 20 November 1125.
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