Everleigh Langdon Langdon-Down 18 Dec 1861 - 4 Aug 1883 (1861–1883) Parents Mary Crellin John Langdon Down Children Siblings Lilian Langdon Langdon-Down Reginald Langdon Langdon-Down Percival Langdon Langdon-Down Elspie Langdon-Down Reginald Langdon Langdon-Down