 Peter Shand Kydd was half-brother to the brother-in-law of a British peer suspected of murder who disappeared in what year?
Peter Shand Kydd:  He was half-brother to the former champion amateur jockey William Shand Kydd (1937–2014), who was brother-in-law of John Bingham, 7th Earl of Lucan. John Bingham, 7th Earl of Lucan: Richard John Bingham, 7th Earl of Lucan (18 December 1934 – disappeared 7 November 1974), commonly known as Lord Lucan, was a British peer suspected of murder who disappeared in 1974.
i don't know