Philip Marmaduke Monckton1 
He gained the rank of Lieutenant in the Royal Welsh Fusiliers.1 He gained the rank of Flight Lieutenant in the Royal Canadian Air Force.1
Children of Philip Marmaduke Monckton and Lavender O’Hara
- John Philip Monckton2 b. 11 Oct 1919, d. 26 Feb 1943
- Sylvia Margaret Monckton+2 b. 21 Jan 1921
- George Rupert Monckton, 12th Viscount Galway+2 b. 13 Oct 1922, d. 30 Sep 2017
Lavender O’Hara1
From 19 January 1918, her married name became Monckton.
Children of Lavender O’Hara and Philip Marmaduke Monckton
- John Philip Monckton2 b. 11 Oct 1919, d. 26 Feb 1943
- Sylvia Margaret Monckton+2 b. 21 Jan 1921
- George Rupert Monckton, 12th Viscount Galway+2 b. 13 Oct 1922, d. 30 Sep 2017
John Philip Monckton1

He fought in the Second World War.1 He gained the rank of Flying Officer in the Royal Canadian Air Force.1
George Rupert Monckton, 12th Viscount Galway1 
He gained the rank of officer in 1941 in the Royal Canadian Navy.3 He retired from the military in 1967, with the rank of Lieutenant-Commander.3 He succeeded as the 12th Viscount Galway, co. Galway [I., 1727] in 1980.2 He succeeded as the 12th Baron of Killard, co. Clare [I., 1727] in 1980.2 He succeeded as the 6th Baron Monckton of Serlby, co. Nottingham [U.K., 1887] in 1980.2 He lived in 2003 at 787 Berkshire Drive, London, Ontario, CanadaG.2
Children of George Rupert Monckton, 12th Viscount Galway and Fiona Margaret Taylor
- Hon. Sheelagh Margaret Monckton+2 b. 14 Jul 1945
- Hon. Fiona Marilyn Monckton+2 b. 21 Dec 1947
- John Philip Monckton-Arundell, 13th Viscount Galwey+2 b. 8 Apr 1952
- Hon. Rachel Jean Monckton+2 b. 21 Jun 1957
Sylvia Margaret Monckton1
From 12 April 1947, her married name became Wilson. She lived in 2003 at 1815 West 30th Avenue, Vancouver, British Columbia, CanadaG.1
Children of Sylvia Margaret Monckton and Lt.-Cdr. Thomas Bruce Wilson
- Kathleen Elizabeth Wilson2 b. 15 Apr 1948
- Rosemary Jean Wilson2 b. 20 Nov 1949
- Patrick John Wilson2 b. 16 Jul 1957
Lt.-Cdr. Thomas Bruce Wilson1
He gained the rank of Lieutenant-Commander in the Royal Canadian Navy.1
Children of Lt.-Cdr. Thomas Bruce Wilson and Sylvia Margaret Monckton
- Kathleen Elizabeth Wilson2 b. 15 Apr 1948
- Rosemary Jean Wilson2 b. 20 Nov 1949
- Patrick John Wilson2 b. 16 Jul 1957
Patrick John Wilson1
Kathleen Elizabeth Wilson1
From 1969, her married name became Stéphan. From 1985, her married name became Ervin.1
Roland R. Stéphan1
- [S37] BP2003 volume 2, page 1522. See link for full details for this source. Hereinafter cited as. [S37]