Louis-Napoléon ( 1808-1873 ) , son of Louis , was President of France in 1848-1852 and Emperor in 1852-1870 , reigning as Napoleon III ; his son , Napoléon , Prince Imperial ( 1856-1879 ) died fighting the Zulus in Natal , South Africa .
Charles Louis Napoléon ( 1808-1873 ) , son of Louis Napoléon , was president of France in 1848 and emperor in 1852 until 1870 , reigning as Napoléon III .