On 26 April 1865, Arbuthnot married Hon. Alice Charlotte Pitt-Rivers (1841–1865), daughter of
George Pitt-Rivers, 4th Baron Rivers of
Sudeley Castle and Lady Susan Georgiana Leveson-Gower (daughter of the
1st Earl Granville). Two months after they were wed and during the couple's wedding tour, she was killed by lightning while climbing the
Schilthorn. Before her death in November 1877, they were the parents of: •
Gerald Archibald Arbuthnot (1872–1916), an MP for
Burnley who married Mary Johanna Antoinette Dulcie Oppenheim, daughter of Charles Augustus Oppenheim and Isabelle Frith, on 6 February 1894. After her death, he married Edith Anne Pearse (1857–1931), daughter of Maj.-Gen. James Langford Pearse, on 2 December 1879. Arbuthnot died on 12 September 1893, aged 54, and was buried in
Brompton Cemetery. His widow remarried to Guy de Miremont, Count of Miremont on 1 August 1894 before her own death on 21 August 1931.
Descendants Through his son Gerald, he was a grandfather of three: Frances Gertrude Arbuthnot (1896–1938), who married Alexander Charles Kenneth Lindsay-Stewart; Cynthia Isabelle Theresa Arbuthnot (b. 1898), who married
Ian Fairbairn; and Dorothea Helen Mary Arbuthnot (1901–1942), who married Hubert Hawkes Woodward. ==References==