[10] His cousin Maria Trinidad Howard Sturgis Middlemore was an author.
[8] Sturgis was educated at Eton and at Christ Church, Oxford.
Mary Cecilia Brand (1851–1886) at Parish Church in Glynde.
[15] Mary was a daughter of Henry Brand, 1st Viscount Hampden (son of Henry Trevor, 21st Baron Dacre) and the former Eliza Ellice (daughter of General Robert Ellice).
[16] Before her death on 20 June 1886, they were the parents of six children, including:[17] On 17 July 1896, Sturgis married Marie "Mariette" Eveleen Meredith (1871–1933), the daughter of the novelist George Meredith.