He died in 1870 of a pulmonary congestion in his hotel on rue Saint-Dominique in Paris. Dying without legitimate issue, his title of Prince of San Donato passed to his nephew Pavel Pavlovitch Demidov.
Cimetière du Père Lachaise. Plot # Family Mausoleum
Hij is getrouwd met Mathilde Laetitia Wilhelmine Bonaparte.
Zij zijn getrouwd op 1 november 1840 te Florence, Firenze, Toscana, Italy, hij was toen 27 jaar oud.Bron 2