Edwina Mountbatten, Countess Mountbatten of Burma, made a profound impact on St John Ambulance and she dedicated her life to its humanitarian cause, dying while on active service for the charity in Borneo.
Foakes, Tom, ed. Treasures: Faith, Care, Valour: Highlights from the Collection of the Museum of the Order of St John. Priory of England and the Islands of the Most Venerable Order of the Hospital of St John of Jerusalem, 2019. Pages 128 - 129