Knightley was the son of Reverend Charles Knightley and Elizabeth née Boulton. In 1813, he married Selina Mary Hervey, daughter of Felton Lionel Hervey and Selina Mary née Elwill, and they had at least two children: Sophia Selina Knightley (died 1886), and Rainald Knightley, 1st Baron Knightley (1819–1895).[5]
^Craig, F. W. S., ed. (1977). British Parliamentary Election Results 1832-1885 (e-book) (1st ed.). London: Macmillan Press. p. 433. ISBN978-1-349-02349-3.
^Riding Recollections, 5th ed. by G. J. Whyte-Melville. Page 169. Accessed 5 September 2022.