Career
The marriage was dissolved by divorce in 1962. The couple had two children: William Coplestone Dillon Onslow, 7th Earl of Onslow (28 February 1938 – 14 May 2011), and Lady Teresa Lorraine Onslow (born 26 February 1940). Teresa Onslow married Catholic writer/editor Auberon Waugh.
Auberon and Teresa Waugh had four children.
Dillon held the office of Justice of the Peace for Guildford in 1950. Lady Onslow was involved in the, a spy scandal involving an alleged MI6 double agent, Kenneth Littlejohn, whom she had met when visiting prison in the 1960s.
She reportedly introduced Littlejohn to the British security forces who later used Littlejohn in anti-Ireland Republican Army operations. In 1975, she received a letter bomb which fortunately failed to detonate properly, causing only minor injuries.
She reportedly declined hospital treatment for the injuries.
Lady Onslow died in 1992, aged 76 or 77.