Born in Saint Petersburg or Moscow, he was the second surviving son of Count Nikolai Nikitich Demidov and Baroness Elisabeta Alexandrovna Stroganova; he grew up in Paris, where his father was ambassador.
He was born in Saint Petersburg or Moscow. He was the second surviving son of Count Nikolai Nikitich Demidov. He was the second surviving son of Baroness Elisabeta Alexandrovna Stroganova. He grew up in Paris. His father was ambassador.