Then, he spent several years at a French school in Saint Petersburg run by Charles Dominque Nicol.

[1] After completing his education at the Institute of Pedagogy in Saint Petersburg, he was hired by the Ministry of Foreign Affairs in 1815.

He consistently argued with prominent figures[2] and Count Modest Andreevich Korf wrote: "He has various bizarre eccentricities and a reputation for small-mindedness.

In 1839, he was appointed District Representative for Tsarskoye Selo and honorary guardian of the Saint Petersburg Home for Orphans and Widows.

After the stillbirth, relations between the couple soured and Princess Zinaida began an affair with a young officer named Nikolai Gervais, as well as Tsar Nicholas I.

When his father died from cholera in 1831, Boris inherited 250.000 hectares of land, 40.000 serfs and a debt of over 2,5 million rubles.

He removed most of the works of art to Saint-Petersburg, sold the animals from its zoological gardens and dismissed its actors, dancers and musicians.

His great-grandson, Felix Yusupov, wrote in his memoirs:"He was far from possessing his father's personality and had quite a different nature.

On one occasion, when he was about to entertain the Czar and Czarina, the court minister struck out several names on the list of guests.