John Reginald Blackett-Ord (1885-1967) (1885–1967) Parents Amy Louise Jebb Andrew John Blackett-Ord Children James Blackett-Ord Anne Dillingham Blackett-Ord Elizabeth M. Blackett-Ord John Christopher Blackett-Ord Siblings Sybil Alyson Blackett-Ord Amy Marjorie Blackett-Ord Montague Blackett-Ord Anne Dorothy Christian Blackett-Ord Partners Lena Mary Blackett-Ord