Luise Pauline Maria Biron, Princess of Courland, Duchess of Sagan (19 February 1782 – 8 January 1845) was the Duchess Regnant of Sagan between 1838 and 1845.^[1] She was Princess consort of Hohenzollern-Hechingen by marriage to Friedrich Hermann Otto, Prince of Hohenzollern-Hechingen.

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Princess Pauline
Princess of Hohenzollern-Hechingen Duchess of Sagan
Princess Pauline, 1802
Reign	2 November 1810 – 13 September 1838
Born	(1782-02-19)19 February 1782 Mitau, Duchy of Courland and Semigallia
Died	8 January 1845(1845-01-08) (aged 62) Vienna, Austrian Empire
Spouse	Friedrich Hermann Otto, Prince of Hohenzollern-Hechingen
Issue	Constantine, Prince of Hohenzollern-Hechingen
Names Luise Pauline Maria Biron
House	House of Hohenzollern-Hechingen
Father	Peter von Biron
Mother	Dorothea von Medem

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Pauline was the second-eldest child and daughter of Peter von Biron, the last Duke of Courland and Semigallia, and his third wife Dorothea von Medem. ^{[citation needed]}

Pauline married Friedrich Hermann Otto, Hereditary Prince of Hohenzollern-Hechingen, on 26 February 1800 in Prague. She separated from her spouse in 1805, after an affair with her brother-in-law Prince Louis de Rohan-Guémenée (1768–1836).^{[citation needed]}

During the Vienna Congress of 1815, she had an affair with General Ludwig von Wallmoden-Gimborn which attracted attention. ^{[citation needed]}

In 1838, she inherited the Duchy of Sagan after the death of her sister. She appointed her son as her heir. She herself preferred to live in Vienna. After her death, she was succeeded as Duchess by her sister.^{[citation needed]}

She spent the last years of her life together with her sister Princess Joanna of Courland in Vienna. ^[2] She was buried in the Biron mausoleum in the Church of Grace, Żagań.^[3]