Who is Hélène from the nonfiction book, You Will Not Have My Hate?

Hélène was the wife of Antoine Leiris and Melvil's mother. She was killed by terrorists while out with friends at the Bataclan, setting off the events of this book. Leiris describes her as a loving wife and mother. He notes that the two of them were happy to spend time together doing simple things like lying in bed and taking walks in the woods. Though Leiris has always been a deeply involved father, Hélène was Melvil’s primary caretaker. Following her death, Hélène is buried at the Montmartre cemetery.