Captain Cuthbert Joseph Hay1 
He was educated at Beaumont College, Old Windsor, Berkshire, England.1 He fought in the First World War, where he was wounded.1 He gained the rank of Captain in the 2nd Battalion, Gordon Highlanders.1
Children of Captain Cuthbert Joseph Hay and Letitia Griffith Fausset
- Mary Vivien Hay+2 b. 13 Aug 1909
- Margaret Patricia Hay+2 b. 14 Jun 1911, d. Oct 1987
- Mary Charlotte Hay+2 b. 25 Mar 1915
- Commander Ronald Cuthbert Hay+1 b. 4 Oct 1916, d. 22 Nov 2001
- Lt.-Cdr. John Malcolm Hay+2 b. 9 Jan 1918
Letitia Griffith Fausset1 
Her married name became Hay.
Children of Letitia Griffith Fausset and Captain Cuthbert Joseph Hay
- Mary Vivien Hay+2 b. 13 Aug 1909
- Margaret Patricia Hay+2 b. 14 Jun 1911, d. Oct 1987
- Mary Charlotte Hay+2 b. 25 Mar 1915
- Commander Ronald Cuthbert Hay+1 b. 4 Oct 1916, d. 22 Nov 2001
- Lt.-Cdr. John Malcolm Hay+2 b. 9 Jan 1918
Frederick Heyligher Fausset1
Child of Frederick Heyligher Fausset
- Letitia Griffith Fausset+1 d. 1982
- [S37] BP2003 volume 3, page 3963. See link for full details for this source. Hereinafter cited as. [S37]
Commander Ronald Cuthbert Hay1 

Commander Ronald Cuthbert Hay was born on 4 October 1916 at Perth, Perthshire, Scotland.1,2 He was the son of Captain Cuthbert Joseph Hay and Letitia Griffith Fausset.1 He married Barbara Grange, daughter of Lt.-Col. George Rockfort Grange, on 24 October 1944.1 He died on 22 November 2001 at age 85 at Salisbury, Wiltshire, England.3
He fought in the Second World War.1 He gained the rank of Commander in the Royal Navy.1 He was awarded the Distinguished Service Cross (D.S.C.) and bar.1 He was awarded the Distinguished Service Order (D.S.O.) in 1945.1 He gained the rank of Lieutenant-Colonel in the Royal Marines.1 He lived at South Mill, Amesbury, Wiltshire, EnglandG.1
Children of Commander Ronald Cuthbert Hay and Barbara Grange
- Penelope Rochfort Hay+4 b. 22 May 1946
- Charles Edward Ronald Hay+1 b. 15 May 1948
- Sarah Elizabeth Hay+4 b. 27 Nov 1951
- James Philip Burness Hay+4 b. 28 Aug 1957
- [S37] BP2003 volume 3, page 3963. See link for full details for this source. Hereinafter cited as. [S37]
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
- [S266] World War II Unit Histories – Officers, online http://www.unithistories.com/units_index/default.asp?file=../officers/personsx. Hereinafter cited as World War II Unit Histories – Officers.
- [S37] BP2003. [S37]
Barbara Grange1 
Her married name became Hay.
Children of Barbara Grange and Commander Ronald Cuthbert Hay
- Penelope Rochfort Hay+2 b. 22 May 1946
- Charles Edward Ronald Hay+1 b. 15 May 1948
- Sarah Elizabeth Hay+2 b. 27 Nov 1951
- James Philip Burness Hay+2 b. 28 Aug 1957
Lt.-Col. George Rockfort Grange1 
He lived at The Punch Bowl House, Strathblane, Stirlingshire, ScotlandG.1
Child of Lt.-Col. George Rockfort Grange
- Barbara Grange+1 d. 28 Nov 1997
- [S37] BP2003 volume 3, page 3963. See link for full details for this source. Hereinafter cited as. [S37]
- [S5792] Robin Dening, “re: Rochfort Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 2 January 2012. Hereinafter cited as “re: Rochfort Family.”
Charles Edward Ronald Hay1
He was educated at Ampleforth College, Ampleforth, Yorkshire, EnglandG.1 He lived in 2003 at Letton Park, Blandford, Dorset, EnglandG.1
Children of Charles Edward Ronald Hay and Susan Rodica Prendergast
- Jeremy Charles Hay1 b. 1976
- Hannah Rodica Barbara Hay2 b. 1980
James Philip Burness Hay1
He graduated with a Bachelor of Science (B.Sc.)1
Child of James Philip Burness Hay and Jacqueline Elizabeth Gallery
- Rebecca Elizabeth Barbara Hay1 b. 31 Jan 1997
- [S37] BP2003 volume 3, page 3964. See link for full details for this source. Hereinafter cited as. [S37]
Penelope Rochfort Hay1
From 1977, her married name became Roger.1
Children of Penelope Rochfort Hay and Major John Julius Roger
- Katherine Philippa Roger1 b. 1978
- Vanessa Victoria Roger1 b. 1981
- Olivia Hilary Roger1 b. 1983
- [S37] BP2003 volume 3, page 3964. See link for full details for this source. Hereinafter cited as. [S37]
Sarah Elizabeth Hay1
From 1980, her married name became Macrae.1 From 1997, her married name became Allan.1
Children of Sarah Elizabeth Hay and Alistair Macrae
- Calum Andrew Macrae1 b. 1980
- Athene Hope Macrae1 b. 1983
- [S37] BP2003 volume 3, page 3964. See link for full details for this source. Hereinafter cited as. [S37]