Kathleen Clare Aitchison1 
From 9 September 1913, her married name became Lee-Dillon.
Child of Kathleen Clare Aitchison and Lt.-Cdr. Robert Francis Lee-Dillon
- Louis Theobald Dillon FitzGibbon+2 b. 6 Jan 1925, d. 31 Jan 2003
James Aitchison1
Child of James Aitchison
- Kathleen Clare Aitchison+2 d. 29 Dec 1950
Lt.-Cdr. Robert Francis Lee-Dillon1 
He was given the name of Robert Francis FitzGibbon at birth.3 He was educated at H.M.S. Britannia, EnglandG.2 He gained the rank of Lieutenant in the French Army.2 He gained the rank of officer in the Royal Navy (Emergency List.)2 He fought in the First World War between 1914 and 1919.2 He was awarded the Order of the Sacred Treasure of Japan.3 He was awarded the Croix de Guerre.2 He was awarded the Chevalier, Ordre national de la Légion d’honneur.2 In 1924 his name was legally changed to Robert Francis Lee-Dillon.3
Children of Lt.-Cdr. Robert Francis Lee-Dillon and Georgette Folsom
- Frances Geraldine Dillon FitzGibbon3 b. 4 Dec 1908, d. 19 Jun 1969
- Maria Dolores Dillon FitzGibbon2 b. 16 Jul 1909, d. 6 Sep 1910
- Frances Hasting FitzGibbon2 b. 10 Dec 1911
- Georgette Winifred FitzGibbon2 b. 23 Apr 1915, d. 21 Feb 1957
- Major Robert Louis Constantine Dillon FitzGibbon+ b. 10 Jun 1919, d. 23 Mar 1983
Child of Lt.-Cdr. Robert Francis Lee-Dillon and Kathleen Clare Aitchison
- Louis Theobald Dillon FitzGibbon+2 b. 6 Jan 1925, d. 31 Jan 2003
Georgette Folsom1 
From 5 February 1908, her married name became FitzGibbon.
Children of Georgette Folsom and Lt.-Cdr. Robert Francis Lee-Dillon
- Frances Geraldine Dillon FitzGibbon1 b. 4 Dec 1908, d. 19 Jun 1969
- Maria Dolores Dillon FitzGibbon1 b. 16 Jul 1909, d. 6 Sep 1910
- Frances Hasting FitzGibbon1 b. 10 Dec 1911
- Georgette Winifred FitzGibbon1 b. 23 Apr 1915, d. 21 Feb 1957
- Major Robert Louis Constantine Dillon FitzGibbon+ b. 10 Jun 1919, d. 23 Mar 1983
- [S37] BP2003 volume 1, page 1150. See link for full details for this source. Hereinafter cited as. [S37]
George Winthrop Folsom1
Child of George Winthrop Folsom
- Georgette Folsom+1 b. c 1883, d. 23 Jun 1972
- [S37] BP2003 volume 1, page 1150. See link for full details for this source. Hereinafter cited as. [S37]
Louis Theobald Fitzgibbon1 
He gained the rank of Lieutenant in the Oxfordshire Light Infantry.1
Children of Louis Theobald Fitzgibbon and Maria Dolores Maxwell
- Lt.-Cdr. Robert Francis Lee-Dillon+2 b. 21 Sep 1884, d. 24 Feb 1954
- Olive Geraldine Emma FitzGibbon3 b. 1887, d. 1979
- Captain Harold Constantine Dillon FitzGibbon2 b. 20 Jul 1890, d. 13 Jan 1922
Maria Dolores Maxwell1 
From 10 March 1884, her married name became Fitzgibbon.
Children of Maria Dolores Maxwell and Louis Theobald Fitzgibbon
- Lt.-Cdr. Robert Francis Lee-Dillon+2 b. 21 Sep 1884, d. 24 Feb 1954
- Olive Geraldine Emma FitzGibbon b. 1887, d. 1979
- Captain Harold Constantine Dillon FitzGibbon2 b. 20 Jul 1890, d. 13 Jan 1922
Robert Maxwell1 
Child of Robert Maxwell
- Maria Dolores Maxwell+2 d. 1909
Charles Richard George Dillon 
Augustus Henry Fitzgibbon1 
He mortgaged Mount Shannon.1
Children of Augustus Henry Fitzgibbon and Adèle Mary Elizabeth Baronin von Poellnitz
- Elizabeth Louisa Theobaldina Fitzgibbon2 d. 11 Sep 1916
- Violet Fitzgibbon2 b. 1879, d. 5 Apr 1960
- Gerald Ernest George Fitzgibbon+2 b. 4 Feb 1883, d. 8 Jan 1929
- [S47] BIFR1976 page 431. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
- [S7358] Kenneth Hewitt, “re: Hewett Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 12 December 2014. Hereinafter cited as “re: Hewett Family.”