Question: What is the date of death of Éléonore-Justine Ruflin's husband?
Sentence (from "Pierre Napoléon Bonaparte"): Prince Pierre-Napoléon Bonaparte (11 October 1815 – 7 April 1881) was a French nobleman, revolutionary and politician, the son of Lucien Bonaparte and his second wife Alexandrine de Bleschamp.
Relevant evidence: Yes