A corridor at Polesden Lacey

Mrs Greville left her house and art collection to the National Trust, and her jewellery to the Queen Mother. The Greville Tiara is still worn by members of the Royal Family, most recently by Princess Eugenie at her wedding: http://www.thejewelleryeditor.com/jewellery/article/story-behind-princess-eugenies-wedding-tiara/