Rear-Admiral John Uniacke Penrose-Fitzgerald1 
He was appointed Companion, Order of the Bath (C.B.)1
Mildred Carson Dunbar1
From 14 April 1923, her married name became Curzon.1 After her marriage, Mildred Carson Dunbar was styled as Viscountess Scarsdale on 20 March 1925.
Children of Mildred Carson Dunbar and Richard Nathaniel Curzon, 2nd Viscount Scarsdale
- Hon. Anne Mildred Curzon+2 b. 1923
- Hon. Gloria Mary Curzon+2 b. 2 Apr 1927, d. 21 Jul 1979
- Hon. Juliana Eveline Curzon+1 b. 1928, d. 16 Jul 2006
- Hon. Diana Geraldine Curzon2 b. 1934, d. 17 Nov 2013
Venetia Mary Smith1
Alice Rose Baillie-Hamilton1
- [S466] Notices, The Telegraph, London, UK, 11 February 2005. Hereinafter cited as The Telegraph.
Prince Nicolai Ivanovitch Sviatopolk-Mirsky1 

Prince Nicolai Ivanovitch Sviatopolk-Mirsky was born on 5 July 1833 at MiatskovG.1 He was the son of Prince Tomasz-Bogumil-Jan Sviatopolk-Mirsky.1 He married Princess Vera Ilinitchna Grouzinsky, daughter of Prince Ilia of Georgia, on 4 May 1860 at Tiflis, GeorgiaG.1 He married Cleopatra Mikhailovna Khanykov, daughter of Mikhail Nikolaevich Khanykov and Sofya Vassilievna Engelhardt, on 14 April 1868 at St. Petersburg, RussiaG.1 He died on 15 July 1898 at age 65.1
He was Aide-de-Camp to the Tsar of Russia.1 He was Ataman of the Don Cossacks.1 He was Member of the Council of the Russian Empire.1 He gained the rank of Cavalry General.1
Child of Prince Nicolai Ivanovitch Sviatopolk-Mirsky and Princess Vera Ilinitchna Grouzinsky
Children of Prince Nicolai Ivanovitch Sviatopolk-Mirsky and Cleopatra Mikhailovna Khanykov
- Prince Michael Nicolaievitch Sviatopolk-Mirsky1 b. 17 Jul 1870, d. 16 Jul 1938
- Prince Ivan Nicolaevitch Sviatopolk-Mirsky+1 b. 27 Mar 1872, d. 10 Feb 1922
- Prince Dmitri Nicolaevitch Sviatopolk-Mirsky+1 b. 1874, d. 1950
- Prince Vladimir Nicolaevitch Sviatopolk-Mirsky+1 b. 1875, d. 1906
- Prince Semeon Nicolaevitch Sviatopolk-Mirsky+1 b. 1885, d. 1917
Prince Pyotr Dmitrievitch Sviatopolk-Mirsky1 

Prince Pyotr Dmitrievitch Sviatopolk-Mirsky was born in 1857.1 He was the son of Prince Dmitri Ivanovitch Sviatopolk-Mirsky.1 He died in 1914.1
Children of Prince Pyotr Dmitrievitch Sviatopolk-Mirsky
Prince Dmitri Petrovitch Sviatopolk-Mirsky1 
Prince Alexie Petrocitch Sviatopolk-Mirsky1
Nadezhda Vassilievna von Engelhardt1 

Nadezhda Vassilievna von Engelhardt was born on 21 March 1879 at Smolensk, RussiaG.1 She was the daughter of Vassili Vassilievitch von Engelhardt.1 She married Prince Ivan Nicolaevitch Sviatopolk-Mirsky, son of Prince Nicolai Ivanovitch Sviatopolk-Mirsky and Cleopatra Mikhailovna Khanykov, on 27 April 1898 at Novocherkassk, Caucasus, RussiaG.1 She died on 12 June 1954 at age 75 at Buenos Aires, ArgentinaG.1
Children of Nadezhda Vassilievna von Engelhardt and Prince Ivan Nicolaevitch Sviatopolk-Mirsky
- Simon Ivanovitch Sviatopolk-Mirsky1
- Princess Sophia Ivanovitch Sviatopolk-Mirska1
- Princess Nadezhda Ivanova Sviatopolk-Mirska+1 d. Jan 1983
- Prince Basil Ivanovitch Sviatopolk-Mirsky+1 b. 24 Jul 1905, d. 31 Oct 1974
- Princess Tatiana Ivanovitch Sviatopolk-Mirsky+1 b. 24 Oct 1907, d. c 1989
Vassili Vassilievitch von Engelhardt1
Child of Vassili Vassilievitch von Engelhardt
- Nadezhda Vassilievna von Engelhardt+1 b. 21 Mar 1879, d. 12 Jun 1954