Complex sentence: Princess Jeanne Bonaparte (15 September 1861-25 July 1910) was a great-niece of Napoleon I of France, and the only daughter of Pierre Napoleon Bonaparte by his wife Justine Eleanore Ruflin.
Split into simpler sentences: Princess Jeanne Bonaparte (15 September 1861-25 July 1910) was a great-niece of Napoleon I of France. She was the only daughter of Pierre Napoleon Bonaparte and his wife Justine Eleanore Ruflin.