Sibylle Margarethe von Brieg
- Category : Notable-Famous-Royal-family
- Type : MS
- Profile : 6/2 - Role Model / Hermit
- Definition : Split - Small (16)
- Incarnation Cross : LAX Demands 1
German royalty, Duchess of Liegnitz-Brieg by birth and Countess of Dönhoff by marriage. She was an important figure in the history of German Baroque literature.
Sibylle was the daughter of John Christian, Duke of Brzeg-Legnica-Wołów-Oława, by his first wife, Dorothea Sibylle, daughter of John George, Elector of Brandenburg. In 1637 Sibylle married the Imperial Count Gerhard Dönhoff (1590–1648). They supported the poet Martin Opitz who devoted one of his major works to the Countess.
Sibylle Margarethe von Brieg died on 26 June 1657 in Danzig.