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In page James Chichester-Clark:

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Educated, against his own wishes, at Selwyn House, Broadstairs, and then Eton, Chichester-Clark left school and entered adulthood in the midst of the Second World War. On joining the Irish Guards, the regiment of his grandfather, in Omagh he began his year-long training at the Royal Military College, Sandhurst, before receiving his commission as a second lieutenant.[1]