Keywords: 3rddukeofmarlborough.jpg artwork Creator John Vanderbank Portrait of male Sir other date ~ 1719 oil on canvas cm 204 5 147 5 Institution Government Art Collection Commonwealth Secretariat Marlborough House London accession number 2095 http //www gac culture gov uk/work aspx obj 29753 object page; previous upload was http //www gac culture gov uk/search/Object asp object_key 29753 here PD-Art-100 Charles Spencer 3rd Duke of Marlborough 1719 Government Art Collection paintings 1719 John Vanderbank 1719 Equestrian portraits of children 18th-century equestrian portraits |