| Consort: | yes |
| Succession: | Duchess consort of Saxony Margravine consort of Meissen |
| Issue: | Catherine, Duchess of Austria George, Duke of Saxony Henry IV, Duke of Saxony Frederick, Grand Master of the Teutonic Order |
| Birth Date: | 11 November 1449 |
| Death Date: | 1 February 1510 (aged 60) |
| Death Place: | Tharandt |
| Place Of Burial: | Meissen |
| Reign: | 1464–1500 |
| Spouse: | Albert III, Duke of Saxony |
| House: | Poděbrady |
| Father: | George of Poděbrady |
| Mother: | Kunigunde of Sternberg |
Sidonie of Poděbrady (Czech: Zdenka z Poděbrad; 11 November 1449 - 1 February 1510) was a duchess consort of Saxony, as the wife of Albert III.[1] [2] She was a daughter of George of Poděbrady, King of Bohemia, and his first wife Kunigunde of Sternberg.[3] She was the twin sister of Catherine of Poděbrady, wife of Matthias Corvinus of Hungary.
Sidonie and Catherine were born on 11 November 1449 to the Bohemian king. The girls' mother, Kunigunde, died from complications of the birth.[4] Sidonie's father eventually remarried; his second wife, Johanna of Rožmitál, bore George more children, including Ludmila of Poděbrady.
Sidonie had four older siblings, but none of her brothers inherited Bohemia from their father. The crown passed instead to Vladislaus II of Bohemia and Hungary.
Sidonie's paternal grandparents were Vítek of Poděbrady and his wife Anna of Vartenberk. Her maternal grandparents were Smil of Sternberg and his wife Barbara of Pardubice.[5]
A marriage contract was signed on 11 November 1459 for Sidonie's marriage to Albert, son of Frederick II, Elector of Saxony. The couple married on 11 February 1464.[6] Sidonie followed her husband to Meissen, and the consummation of their marriage took place in May 1464 at Castle Tharandt. Four months after their marriage, Albert's father died, and he became Duke of Saxony with Sidonie as Duchess consort.
Sidonie was a pious Catholic woman who abhorred violence. She therefore refused to accompany her husband during his wars in Groningen and Friesland. In protest, she took her children to Albrechtsburg.
In 1495 she founded the religious festival of the Holy Lance, after being freed from a stone disease.
Many of her letters of correspondence have been preserved, in which she pleads for the release of prisoners. On 12 September 1500, Albert died, leaving Sidonie a widow. She withdrew from the Saxon court and spent the rest of her years in Tharandt. On 1 February 1510 she died there. Sidonie was buried at the cathedral of Meissen.
Sidonie and Albert were married for thirty-six years, during which time they had nine children:
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