[4] In 1885, Selwyn was selected as Conservative candidate to contest the new constituency of Wisbech, but was defeated by his Liberal opponent John Rigby.
[1] Captain Selwyn threatened to horsewhip his younger sister's seducer, Colonel Francis Hughes-Hallett MP, if they ever crossed paths in the House of Commons.
[7] In 1887 Selywn was awarded £50 damages against the Society Herald newspaper editor Alfred Falcke Marks for libel; the false accusation of cowardice was linked to the affair.
[10] His health deteriorated to such a degree that he was forced to resign from the Commons on 4 July 1891 by accepting the office of Steward of the Chiltern Hundreds.
[11] He was buried at St John's College, Auckland,[13][14] which was established in 1843 by his uncle George Augustus Selwyn, the first Bishop of New Zealand.