William Smith, 3rd Viscount Hambleden

His wife, Patricia Smith, Viscountess Hambleden was a Lady of the Bedchamber to HM Queen Elizabeth, later the Queen Mother. Patricia, Viscountess Hambleden, was appointed Dame Commander of the Royal Victorian Order (DCVO), and, years later, to Dame Grand Cross of the Royal Victorian Order (GCVO). The couple had five children:^{[citation needed]}

• William Herbert Smith (1930–2012)
• Laura Caroline Beatrice Smith (1931–2000). Her son, Charles Brand (b. 1954) is a godson of Princess Margaret.^{[citation needed]}
• Katharine Patricia Smith (1933–2002). Her son, Patrick Moffatt (b. 1968) is also a godson of Princess Margaret.^{[citation needed]}
• Richard Edward Smith (1937–2014)^{[citation needed]}
• Philip Reginald Smith (b. 1945)^{[citation needed]}

In 1961 his daughter, Katharine Smith, married the screenwriter Ivan Moffat, with whom she had two sons, Jonathan (born 1964) and Patrick Moffat (born 1968). The marriage was dissolved in 1972, and she married Peter Townend in 1973.^{[citation needed]}

He succeeded to the title of Viscount Hambleden following his father's death in 1928. He was succeeded by his eldest son, William Herbert.^{[citation needed]}

• Wilson, Charles. First With the News: The History of W. H. Smith 1792-1972, London: Jonathan Cape, 1985. ISBN 978-0-224-02156-2