Marie d'Agoult
French author and historian
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Marie Catherine Sophie, Comtesse d'Agoult, was a French romantic author and historian, known also by her pen name, Daniel Stern. Wikipedia
Born: December 31, 1805, Frankfurt, Germany
Died: March 5, 1876 (age 70 years), Paris, France
Spouse: Charles Louis Constant d'Agoult, Comte d'Agoult (m. 1827–1835)
Children: Blandine Liszt, Claire d'Agoult, Daniel Liszt, and more
Grandchildren: Siegfried Wagner, Isolde Beidler, Daniela von Bülow, and more