His daughter Georgina was a London-based model . She was killed aged 22 , when Turkish Airlines Flight 981 crashed near Paris on 3 March 1974 . It is the fourth-deadliest plane crash in aviation history . She had been married to Piers Weld-Forester , a professional motorcyclist and royal courtier , who died in a motorcycle crash in 1977
Turkish Airlines Flight 981
Turkish Airlines Flight 981
John Youens