After her father’s passing in Italy, Yvonne’s mother brought her back to Lebanon to live with her aunt Isabelle at the Sursock palace in Achrafieh. Yvonne was passionate about the environment and cultural heritage, and she founded the Association for Protecting Natural Sites and Old Buildings in Lebanon (APSAD). On August 4, 2020, she was at the palace when the explosion happened and destroyed it completely. She was evacuated to the hospital and passed away two weeks later.