Lord Peter Wimsey an unofficial attaché to the British Foreign Office. Harriet Vane contacts him about a problem she has been asked to investigate in her college at Oxford ("Gaudy Night"). At the end of their investigation, Vane finally accepts Wimsey's proposal of marriage. The couple marry on 8 October 1935, at St Cross Church, Oxford, as depicted in the opening collection of letters and diary entries in "Busman's Honeymoon". The Wimseys honeymoon at Talboys, a house in east Hertfordshire near Harriet's childhood home, which Peter has bought for her as a wedding present. There they find the body of the previous owner,
Lord Peter Wimsey second of the three children of Mortimer Wimsey, 15th Duke of Denver, and Honoria Lucasta Delagardie, who lives on throughout the novels as the Dowager Duchess of Denver. She is witty and intelligent, and strongly supports her younger son, whom she plainly prefers over her less intelligent, more conventional older son Gerald, the 16th Duke. Gerald's snobbish wife, Helen, detests Peter. Gerald's son and heir is the devil-may-care Viscount St George. Lady Mary, the younger sister of the Duke and Lord Peter, leans strongly to the political left and scandalises her family by marrying a policeman of working-class origins. Lord