John Cavendish Lyttelton, 9th Viscount Cobham, was born 23 October 1881 to Charles George Lyttelton, 8th Viscount Cobham (1842-1922) and Mary Susan Caroline Cavendish (1853-1937) and died 31 July 1949 of unspecified causes. He married Violet Yolande Leonard (bef1893-1966) 30 June 1908 in St. Peter's Church, Eaton Square, Belgravia, Greater London, England, United Kingdom.
|Charles John Lyttelton, 10th Viscount Cobham (1909-1977)|
|Meriel Catherine Lyttelton (1911-1930)|
|Viola Maud Lyttelton (1912-1987)||10 June 1912 Wandsworth, Greater London, England, United Kingdom||3 May 1987 Dungannon, County Tyrone, Ireland||Robert George Grosvenor, 5th Duke of Westminster (1910-1979)|
|Audrey Lavinia Lyttelton (1918-2007)|
|Lavinia Mary Yolande Lyttelton (1921-2007)|