Person

Catherine Jagiellon

1526–1583 · 16th century · Also known as Katarzyna Jagiellonka

Catherine Jagiellon was a Polish princess, daughter of Sigismund I the Old, who in 1562 married Duke John of Finland, the future John III of Sweden. When his brother Eric XIV imprisoned John at Gripsholm in 1563, she chose to share his captivity. As Queen of Sweden from 1569 she supported Catholicism, and her son became King Sigismund III of Poland and Sweden.

Catherine Jagiellon
Image: Lucas Cranach the Younger · Public domain · Wikimedia Commons

Mentioned in 1 state history

Duchy of Finland

See also

Cite this entry
APA
The Epoch Institute. (2026). Catherine Jagiellon. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/catherine-jagiellon
MLA
“Catherine Jagiellon.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/catherine-jagiellon. Accessed .
Chicago
The Epoch Institute. “Catherine Jagiellon.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/catherine-jagiellon.
Harvard
The Epoch Institute (2026) ‘Catherine Jagiellon’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/catherine-jagiellon (Accessed: ).

Last reviewed October 2026Random entry ↻