the youngest only turning seven months old. The estate was divided in 1887 among several owners. Despite many difficulties, the Nizhny Tagil mining and factory area remained family-owned until 1917. References External links Princedom of San Donato Jewish Encyclopedia http://jssgallery.org/Essay/Italy/Demidoff/Demidoff_2nd.htm 1839 births 1885 deaths Russian jurists Pavel Philanthropists from the Russian Empire 19th-century businesspeople from the Russian Empire Princes of San Donato Russian princes Businesspeople from Frankfurt Mayors of Kyiv 19th-century philanthropists Russian people of Finnish descent 19th-century industrialists