Hiley William Dever Addington (1917-2001) (1917–2001) Parents Raymond Anthony Addington, 6th Viscount Sidmouth Gladys Mary Dever Hughes Children Siblings Gurth Louis Francis Addington Leslie Richard Bagnall Addington Raymond Thomas Casamajor Addington Raleigh Hugh Leonard Addington Mary Octavia Addington John Addington, 7th Viscount Sidmouth Prudence Mary Addington Elizabeth Clare Addington