Who dated Juliette Drouet?

Juliette Drouet (French pronunciation: [ʒyljɛt dʁu.ɛ]; born Julienne Joséphine Gauvain [ʒyljɛn ʒozefin ɡovɛ̃]; 10 April 1806 – 11 May 1883) was a French actress. She abandoned her career on the stage after becoming the mistress of Victor Hugo, to whom she acted as a secretary and travelling companion. Juliette accompanied Hugo in his exile to the Channel Islands, and wrote thousands of letters to him throughout her life.

Anatoly Nikolaievich Demidov, 1st Prince of San Donato (Russian: Анатолий Николаевич Демидов; 5 April OS: 24 March 1813 – 29 April 1870) was a Russian industrialist, diplomat, active state councillor, and arts patron of the Demidov family.