Complex sentence: Louis, Prince Napoléon ("Louis Jérôme Victor Emmanuel Léopold Marie"; 23 January 1914--3 May 1997), as Napoléon VI, was the pretender to the Imperial throne of France of the Bonaparte dynasty from 1926 until his death.
Split into simpler sentences: Louis, Prince Napoléon ("Louis Jérôme Victor Emmanuel Léopold Marie"; 23 January 1914--3 May 1997) was a member of the Bonaparte dynasty. He was the pretender to the Imperial throne of France, as Napoléon VI, from 1926 until his death.