 In 2005, the Bexley Civic Society restored a memorial to Sampson Gideon, located in the grounds of All Saints Church, Belvedere, and produced a plaque bearing a brief history of his life.The plaque reads, "This memorial commemorates the life of Sampson Gideon (1699–1762) sometime owner of Belvedere House, and father of Lord Eardley.A financier of nationwide renown, he is believed to have been a founder of the London Stock Exchange.