Boson de Talleyrand-Périgord

Charles Guillaume Frédéric Boson de Talleyrand-Périgord (1832-1910), prince of Sagan (from 1845), duke of Sagan and duke of Talleyrand (from 1898) was a famous French dandy, and the grandson of Dorothea von Biron.

He was the son of Napoléon Louis, III. duc de Talleyrand-Périgord (1811-1898) and Anne Louise Charlotte Alix de Montmorency (1810-1858). His paternal grandparents were Alexandre de Talleyrand-Périgord, Duke of Dino (1787–1872) and later duc de Talleyrand-Périgord, and of Dorothea of Courland, Duchess of Sagan (1793–1862). His maternal grandfather was the Duke of Montmorency.

A cavalry officer, he was one of the major figures in French high society in the second half of the 19th century. Boni de Castellane wrote of him:

In 1858, he married Jeanne Seillière (1839-1905), and they had two children :

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