Mabel Slade1 
From 5 December 1907, her married name became Arbuthnot.1
Children of Mabel Slade and William Reierson Arbuthnot
- Helen Marion Arbuthnot1 b. 27 Sep 1910, d. 2 Jan 1981
- Caroline Elizabeth Mabel Arbuthnot+3 b. 10 Aug 1912, d. 6 Dec 1989
- [S37] BP2003 volume 1, page 125. See link for full details for this source. Hereinafter cited as. [S37]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S37] BP2003. [S37]
Francis Henry Slade1
Child of Francis Henry Slade
- Mabel Slade+1 b. 7 May 1866, d. 6 Mar 1947
- [S37] BP2003 volume 1, page 125. See link for full details for this source. Hereinafter cited as. [S37]
Helen Marion Arbuthnot1 
She was with the British Information Services during the Second World War at New York, U.S.A.2 She was appointed Member, Order of the British Empire (M.B.E.)2
- [S37] BP2003 volume 1, page 125. See link for full details for this source. Hereinafter cited as. [S37]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
Caroline Elizabeth Mabel Arbuthnot1 
Caroline Elizabeth Mabel Arbuthnot was born on 10 August 1912.1 She was the daughter of William Reierson Arbuthnot and Mabel Slade.1 She married Ralph Ernest Watkins Grubb, son of Reverend Ernest Watkins Grubb and Mary Pauline Bevan, on 23 March 1944.2 She was also reported to have been married on 24 March 1944.3 She died on 6 December 1989 at age 77.1
She held the office of Justice of the Peace (J.P.) for Sussex in 1944.3 From 23 March 1944, her married name became Grubb.2
Children of Caroline Elizabeth Mabel Arbuthnot and Ralph Ernest Watkins Grubb
- Patricia Caroline Watkins Grubb+2 b. 15 May 1947
- Anthony Arbuthnot Watkins Grubb+2 b. 6 May 1950
- Joanna Pauline Watkins Grubb2 b. 2 May 1952, d. 15 Apr 1973
- Olivia Helen Watkins Grubb+2 b. 1 Dec 1955
- [S37] BP2003 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S37]
- [S1438] Sir William, Bt. Arbuthnot, “re: Arbuthnot and Duff Families,” e-mail message to British and European Nobility Register, 29 August 2005 and later. Hereinafter cited as “re: Arbuthnot and Duff Families.”
- [S47] BIFR1976 page 523. See link for full details for this source. Hereinafter cited as. [S47]
Christopher Haden-Guest, 5th Baron Haden-Guest1
Christopher Haden-Guest, 5th Baron Haden-Guest was born on 5 February 1948.1 He is the son of Peter Haden-Guest, 4th Baron Haden-Guest and Jean Pauline Hindes.3 He married Jamie Lee Curtis, daughter of Tony Curtis and Janet Leigh, in 1984.1
He was educated at Stockbridge SchoolG.1 He was educated at New York University, Manhattan, New York City, New York, U.S.A.G.1 He was an actor, including the film Spinal Tap.1 He adopted Hon. Anne Haden-Guest. He succeeded as the 5th Baron Haden-Guest, of Saling, co. Essex [U.K., 1950] on 15 April 1996.1 He witnessed the adoption of Christopher Haden-Guest, 5th Baron Haden-Guest and Jamie Lee Curtis. He lived in 2003 at Santa Monica, California, U.S.A.G.1 He lived in 2003 at Ketchum, Idaho, U.S.A.G.1
Children of Christopher Haden-Guest, 5th Baron Haden-Guest and Jamie Lee Curtis
- Hon. Anne Haden-Guest1 b. 1986
- Hon. Thomas Haden-Guest1 b. Mar 1996
Jamie Lee Curtis1
Jamie Lee Curtis was born on 22 November 1958 at Los Angeles, California, U.S.A.G.3 She is the daughter of Tony Curtis and Janet Leigh.1 She married Christopher Haden-Guest, 5th Baron Haden-Guest, son of Peter Haden-Guest, 4th Baron Haden-Guest and Jean Pauline Hindes, in 1984.1
She adopted Hon. Anne Haden-Guest. After her marriage, Jamie Lee Curtis was styled as Baroness Haden-Guest on 15 April 1996. She witnessed the adoption of Jamie Lee Curtis and Christopher Haden-Guest, 5th Baron Haden-Guest. She was a film actress.1 She was awarded the Academy Award, Best Supporting Actress in 2023.4
Children of Jamie Lee Curtis and Christopher Haden-Guest, 5th Baron Haden-Guest
- Hon. Anne Haden-Guest1 b. 1986
- Hon. Thomas Haden-Guest1 b. Mar 1996
- [S37] BP2003 volume 2, page 1716. See link for full details for this source. Hereinafter cited as. [S37]
- [S300] Michael Rhodes, “re: Ernest Fawbert Collection,” e-mail message to BENR, 8 February. Hereinafter cited as “re: Ernest Fawbert Collection.”
- [S1308] Brian Wall, “re: Mark Hubert Lascelles,” e-mail message to British and European Nobility Register, 18 March 2005. Hereinafter cited as “re: Mark Hubert Lascelles.”
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Tony Curtis1 
Tony Curtis was born on 3 June 1925 at Bronx, New York City, New York, U.S.A.G.3 He was the son of Emanuel Schwartz and Helen Klein.3 He died on 29 September 2010 at age 85 at Henderson, Nevada, U.S.A.4
He was given the name of Bernard Schwartz at birth.3 He was an actor.1
Child of Tony Curtis and Janet Leigh
- Jamie Lee Curtis+1 b. 22 Nov 1958
- [S37] BP2003 volume 2, page 1716. See link for full details for this source. Hereinafter cited as. [S37]
- [S300] Michael Rhodes, “re: Ernest Fawbert Collection,” e-mail message to BENR, 8 February. Hereinafter cited as “re: Ernest Fawbert Collection.”
- [S1308] Brian Wall, “re: Mark Hubert Lascelles,” e-mail message to British and European Nobility Register, 18 March 2005. Hereinafter cited as “re: Mark Hubert Lascelles.”
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
Janet Leigh1 
She was given the name of Jeanette Helen Morrison at birth.2 She was an actress.1
Child of Janet Leigh and Tony Curtis
- Jamie Lee Curtis+1 b. 22 Nov 1958
Hon. Thomas Haden-Guest1
He witnessed the adoption of Christopher Haden-Guest, 5th Baron Haden-Guest and Jamie Lee Curtis.
- [S37] BP2003 volume 2, page 1716. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Anne Haden-Guest1
She was adopted by Jamie Lee Curtis and Christopher Haden-Guest, 5th Baron Haden-Guest.
- [S37] BP2003 volume 2, page 1716. See link for full details for this source. Hereinafter cited as. [S37]
