Locke married in 1802 Anna Maria Selina Powell, sister of
Alexander Powell, MP for
Downton. • The eldest son Wadham Locke married first, in 1828, Caroline Mary Thompson, daughter of Henry Thompson of Yorkshire, who died in 1842. He married secondly, in 1844, Albinia Dalton, daughter of John Dalton of Steningford Park. • The second son Francis Alexander Sydenham Locke married in 1835 Katherine Harriet Fellowes, eldest daughter of Thomas Fellowes R.N. • The fourth son John Locke married in 1839 Frances Augusta Wayne, daughter of Thomas Moore Wayne. The Lockes had six daughters. The youngest in the family was Frances Isabella, known as the diarist
Fanny Duberly, who married in 1850 Henry Duberly (1822–1891). The eldest daughter, Anna Maria Selina, married
George Purefoy-Jervoise. After his death, she married in 1848 Francis Marx. The other daughters were: • Katharine Powell, married George Duberly, colonel of the
77th Regiment. ==References==