William Bernard Petre, 12th Baron Petre1 
He succeeded as the 12th Baron Petre, of Writtle, co. Essex [E., 1603] on 3 July 1850.1 He was awarded the Grand Cross, Order of Pius IX.1
Children of William Bernard Petre, 12th Baron Petre and Mary Theresa Clifford
- Hon. Margaret Mary Petre1
- Hon. Katherine Mary Lucy Petre1 d. 21 Oct 1932
- Hon. Theresa Mary Louisa Petre1
- Hon. Mary Winifrede Petre1 d. 31 Jul 1947
- Hon. Frances Mary Petre+2 b. c 1846, d. 25 May 1920
- William Joseph Petre, 13th Baron Petre1 b. 26 Feb 1847, d. 8 May 1893
- Hon. Isabella Mary Petre+2 b. c 1849, d. 15 Jul 1919
- Hon. Eleanor Mary Petre+1 b. 1856, d. 17 Nov 1908
- Bernard Henry Philip Petre, 14th Baron Petre+1 b. 31 May 1858, d. 16 Jun 1908
- Hon. Monica Mary Petre+1 b. 1860, d. 15 May 1907
- Philip Benedict Joseph Petre, 15th Baron Petre+1 b. 21 Aug 1864, d. 6 Dec 1908
- Hon. Joseph Lucius Henry Petre1 b. 22 Apr 1866, d. 24 Jan 1900
Mary Theresa Clifford 
Her married name became Petre. After her marriage, Mary Theresa Clifford was styled as Baroness Petre on 3 July 1850.
Children of Mary Theresa Clifford and William Bernard Petre, 12th Baron Petre
- Hon. Margaret Mary Petre1
- Hon. Katherine Mary Lucy Petre1 d. 21 Oct 1932
- Hon. Theresa Mary Louisa Petre1
- Hon. Mary Winifrede Petre1 d. 31 Jul 1947
- Hon. Frances Mary Petre+1 b. c 1846, d. 25 May 1920
- William Joseph Petre, 13th Baron Petre1 b. 26 Feb 1847, d. 8 May 1893
- Hon. Isabella Mary Petre+1 b. c 1849, d. 15 Jul 1919
- Hon. Eleanor Mary Petre+1 b. 1856, d. 17 Nov 1908
- Bernard Henry Philip Petre, 14th Baron Petre+1 b. 31 May 1858, d. 16 Jun 1908
- Hon. Monica Mary Petre+1 b. 1860, d. 15 May 1907
- Philip Benedict Joseph Petre, 15th Baron Petre+1 b. 21 Aug 1864, d. 6 Dec 1908
- Hon. Joseph Lucius Henry Petre1 b. 22 Apr 1866, d. 24 Jan 1900
- [S37] BP2003 volume 3, page 3122. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Charles Thomas Clifford1 
He lived at Irnham Hall, Lincolnshire, EnglandG.2
Child of Hon. Charles Thomas Clifford and Hon. Theresa Constable-Maxwell
- Mary Theresa Clifford+ b. 1 Sep 1823, d. 31 Dec 1895
Hon. Edward Walford Karslake Gully1 
He was secretary to the Commissioner for the Caledonian Canal between 1889 and 1911.1 He was secretary to the Speaker, House of Commons between 1895 and 1911.1 He was Examiner of Private Bills and Taxing Office, House of Commons between 1911 and 1927.1 He gained the rank of Temporary Lieutenant in 1915 in the Royal Naval Volunteer Reserve.1 He was appointed Companion, Order of the Bath (C.B.)1
Children of Hon. Edward Walford Karslake Gully and Ada Symon
- Sheila Gully+1 b. 1 Sep 1902, d. 19 Feb 1975
- Joan Marcia Gully2 b. 26 Dec 1905, d. 2 Jul 1937
Hon. Theresa Constable-Maxwell1 
Her married name became Clifford. On 2 August 1858 she was granted the rank of a Lord of Parliament’s daughter.2
Child of Hon. Theresa Constable-Maxwell and Hon. Charles Thomas Clifford
- Mary Theresa Clifford+ b. 1 Sep 1823, d. 31 Dec 1895
William Marmaduke Stourton, 26th Baron Segrave1 
William Marmaduke Stourton, 26th Baron Segrave was born on 31 August 1895.1 He was the son of Charles Botolph Joseph Stourton, 25th Baron Segrave and Mary Constable.1 He married Sheila Gully, daughter of Hon. Edward Walford Karslake Gully and Ada Symon, on 6 December 1921.3 He died on 7 May 1965 at age 69.1
He was educated at Downside School, Bath, Somerset, England.1 He was educated at Royal Military College, Sandhurst, Berkshire, England.1 He gained the rank of Lieutenant in the 8th (King’s Royal Irish) Hussars.1 He fought in the First World War, where he was mentioned in despatches.1 He held the office of Justice of the Peace (J.P.) for the West Riding, Yorkshire.1 He was awarded the Military Cross (M.C.)1 He gained the rank of Captain in the Grenadier Guards.1 He succeeded as the 25th Baron Mowbray [E., 1284] on 29 July 1936.1 He succeeded as the 26th Baron Segrave [E., 1284] on 29 July 1936.1 He succeeded as the 22nd Baron Stourton, of Stourton, co. Wilts [E., 1448] on 29 July 1936.1
Children of William Marmaduke Stourton, 26th Baron Segrave and Sheila Gully
- Charles Edward Stourton, 27th Baron Segrave+1 b. 11 Mar 1923, d. 12 Dec 2006
- Hon. Patricia Winifred Mary Stourton+1 b. 2 Nov 1924
Alastair Sholto Douglas1
Children of Alastair Sholto Douglas and Diane Adams
- Chantal Bernadine Douglas1 b. 1974
- Fay Robyn Douglas1 b. 1977
- Michael Bruce Sholto Douglas1 b. 1979
- [S37] BP2003 volume 2, page 2790. See link for full details for this source. Hereinafter cited as. [S37]
Anna Winona Douglas1
From 6 February 1965, her married name became Bushby.1 She lived in 2003 at 53A Bannister Road, Braeside, Harare, Zimbabwe.1
Child of Anna Winona Douglas and Thomas Charles Bushby
- Lucinda Irene Bushby1 b. 8 Aug 1966
- [S37] BP2003 volume 2, page 2790. See link for full details for this source. Hereinafter cited as. [S37]
Juliet Elizabeth Douglas1
She was educated at Roosevelt High School, Zimbabwe.1 From 6 November 1975, her married name became Peters.1 She lived in 2003 at 57 La Montagne, Bakkerskloof Road, Somerset West, Cape Province, South Africa.1
- [S37] BP2003 volume 2, page 2790. See link for full details for this source. Hereinafter cited as. [S37]
Margaret Tennent 
Her married name became Douglas. She lived in 2003 at Buckstone, Banket, Zimbabwe.1
Child of Margaret Tennent and Major Roderick Walter Sholto Douglas
- Bruce Sholto Douglas1 b. 17 Jul 1951, d. 25 Mar 2019
- [S37] BP2003 volume 2, page 2790. See link for full details for this source. Hereinafter cited as. [S37]
- [S7640] Trevor Parker, “re: St. John Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 July 2015. Hereinafter cited as “re: St. John Family.”
