Question:  Peter Shand Kydd was half-brother to the brother-in-law of a British peer suspected of murder who disappeared in what year?
Sentence (from "Peter Shand Kydd"): Peter Shand Kydd (23 April 1925 – 23 March 2006) was the former stepfather of Diana, Princess of Wales, and an heir to the wallpaper fortune built by his father Norman Shand Kydd (1895–1962).
Relevant evidence: Yes