George Augustus Frederick Cavendish-Bentinck 
M, #13651, b. 30 May 1891, d. 7 June 1892
George Augustus Frederick Cavendish-Bentinck|b. 30 May 1891\nd. 7 Jun 1892|p1366.htm#i13651|William George Frederick Cavendish-Bentinck|b. 26 Aug 1856\nd. 13 Nov 1948|p962.htm#i9618|Ruth Mary St. Maur|b. 27 Oct 1867\nd. 28 Jan 1953|p964.htm#i9637|George A. F. Cavendish-Bentinck|b. 9 Jul 1821\nd. 9 Apr 1891|p964.htm#i9638|Prudentia P. Leslie|d. 22 Jun 1896|p964.htm#i9639|Edward A. F. St. Maur, Earl St. Maur|b. 17 Jul 1835\nd. 30 Sep 1869|p1823.htm#i18226|Rosina E. Swan||p23177.htm#i231769|
Last Edited=10 May 2003
Consanguinity Index=0.0%
George Augustus Frederick Cavendish-Bentinck was born on 30 May 1891. He was the son of William George Frederick Cavendish-Bentinck and Ruth Mary St. Maur. He died on 7 June 1892 at age 1.
James Bruce Quigley
M, #13652
Last Edited=27 Mar 2003
Child of James Bruce Quigley
William James Cavendish-Bentinck 
M, #13653, b. 6 July 1925, d. 4 September 1966
William James Cavendish-Bentinck|b. 6 Jul 1925\nd. 4 Sep 1966|p1366.htm#i13653|Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland|b. 18 Jun 1897\nd. c 1990|p963.htm#i9622|Clothilde Bruce Quigley||p963.htm#i9623|William G. F. Cavendish-Bentinck|b. 26 Aug 1856\nd. 13 Nov 1948|p962.htm#i9618|Ruth M. St. Maur|b. 27 Oct 1867\nd. 28 Jan 1953|p964.htm#i9637|James B. Quigley||p1366.htm#i13652||||
Last Edited=10 May 2003
William James Cavendish-Bentinck was born on 6 July 1925. He was the son of Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland and Clothilde Bruce Quigley. He married, firstly, Patricia Constance Margaretta Collins circa August 1949. He and Patricia Constance Margaretta Collins were divorced in 1954. He married, secondly, Inger Maria Sandra Grantzau-Christe on 14 December 1954. He and Inger Maria Sandra Grantzau-Christe were divorced in 1960. He married, thirdly, Eleanor Barbara Muriel Lygon, daughter of Lt.-Col. Reginald Arthur Lygon and Agnes Bell, on 20 December 1960. He and Eleanor Barbara Muriel Lygon were divorced in 1965. He died on 4 September 1966 at age 41.
Patricia Constance Margaretta Collins
F, #13654
Last Edited=27 Mar 2003
Patricia Constance Margaretta Collins married William James Cavendish-Bentinck, son of Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland and Clothilde Bruce Quigley, circa August 1949. She and William James Cavendish-Bentinck were divorced in 1954.
Her married name became Cavendish-Bentinck.
Her married name became Cavendish-Bentinck.
Inger Maria Sandra Grantzau-Christe
F, #13655
Last Edited=27 Mar 2003
Inger Maria Sandra Grantzau-Christe married William James Cavendish-Bentinck, son of Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland and Clothilde Bruce Quigley, on 14 December 1954. She and William James Cavendish-Bentinck were divorced in 1960.
Her married name became Cavendish-Bentinck.
Her married name became Cavendish-Bentinck.
Eleanor Barbara Muriel Lygon
F, #13656, b. 1 November 1938
Eleanor Barbara Muriel Lygon|b. 1 Nov 1938|p1366.htm#i13656|Lt.-Col. Reginald Arthur Lygon|b. 28 Jul 1904\nd. 1976|p2347.htm#i23462|Agnes Bell|b. b 1915\nd. 1969|p14252.htm#i142517|Lt.-Col. Hon. Robert Lygon|b. 9 Aug 1879\nd. 13 Jan 1952|p2840.htm#i28399|Cecilia A. Arbuthnot|d. 19 Mar 1956|p12463.htm#i124626|||||||
Last Edited=10 May 2003
Eleanor Barbara Muriel Lygon was born on 1 November 1938. She is the daughter of Lt.-Col. Reginald Arthur Lygon and Agnes Bell.1 She married William James Cavendish-Bentinck, son of Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland and Clothilde Bruce Quigley, on 20 December 1960. She and William James Cavendish-Bentinck were divorced in 1965.
Her married name became Cavendish-Bentinck.
Her married name became Cavendish-Bentinck.
Citations
- [S43] Dorothy E. Williams, The Lygons of Madresfield Court (Worcester, U.K.: Logaston Press, 2001), family tree. Hereinafter cited as The Lygons of Madresfield Court.
Jean Colquhoun1,2 
F, #13657
Jean Colquhoun||p1366.htm#i13657|Sir Alexander Colquhoun of Luss|d. 23 May 1617|p1366.htm#i13658|Helen Buchanan||p2901.htm#i29001|Sir John Colquhoun of Luss|d. Jan 1574/75|p24570.htm#i245696|Agnes Boyd||p24570.htm#i245697|Sir George Buchanan of that Ilk||p2901.htm#i29002||||
Last Edited=12 May 2008
Jean Colquhoun was the daughter of Sir Alexander Colquhoun of Luss and Helen Buchanan.3,4 She married, firstly, Alan Cathcart, 5th Lord Cathcart, son of Alan Cathcart, Master of Cathcart and Isabel Kennedy, on 29 October 1626.5 She married, secondly, Sir Duncan Campbell of Auchinbreck, 2nd Bt., son of Sir Dugald Campbell of Auchinbreck, 1st Bt. and Mary Erskine, before 1645.1 She married, thirdly, Hon. Sir William Hamilton, 1st and last Bt., son of James Hamilton, 1st Earl of Abercorn and Marion Boyd, after 1645.1
From 29 October 1626, her married name became Cathcart. As a result of her marriage, Jean Colquhoun was styled as Countess Dowager Cathcart.1 From before 1645, her married name became Campbell.1 From after 1645, her married name became Hamilton.1
From 29 October 1626, her married name became Cathcart. As a result of her marriage, Jean Colquhoun was styled as Countess Dowager Cathcart.1 From before 1645, her married name became Campbell.1 From after 1645, her married name became Hamilton.1
Children of Jean Colquhoun and Sir Duncan Campbell of Auchinbreck, 2nd Bt.
- Archibald Campbell+ 4
- Alexander Campbell d. 16854
Child of Jean Colquhoun and Alan Cathcart, 5th Lord Cathcart
- Alan Cathcart, 6th Lord Cathcart+ b. 1628, d. 13 Jun 17094
Citations
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume II, page 322. Hereinafter cited as The Complete Baronetage.
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume III, page 104. Hereinafter cited as The Complete Peerage.
- [S15] George Edward Cokayne, The Complete Baronetage, volume II, page 340.
- [S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003). Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.
- [S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition, volume 1, page 718.
Sir Alexander Colquhoun of Luss1 
M, #13658, d. 23 May 1617
Sir Alexander Colquhoun of Luss|d. 23 May 1617|p1366.htm#i13658|Sir John Colquhoun of Luss|d. Jan 1574/75|p24570.htm#i245696|Agnes Boyd||p24570.htm#i245697|Humphrey Colquhoun of Luss|d. Jan 1537/38|p24570.htm#i245693|Lady Katherine Graham||p24570.htm#i245695|Robert Boyd, 5th Lord Boyd of Kilmarnock|b. c 1517\nd. 3 Jan 1589/90|p2152.htm#i21513|Margaret Colquhoun|b. b 1525\nd. Aug 1601|p3062.htm#i30614|
Last Edited=12 May 2008
Consanguinity Index=0.5%
Sir Alexander Colquhoun of Luss was the son of Sir John Colquhoun of Luss and Agnes Boyd.2 He married Helen Buchanan, daughter of Sir George Buchanan of that Ilk.3 He died on 23 May 1617.3
In 1603 he continued the feud with the MacGregors, reaching a climax in an encounter at Glenfruin.3 He lived at Luss, Argyllshire, Scotland.
In 1603 he continued the feud with the MacGregors, reaching a climax in an encounter at Glenfruin.3 He lived at Luss, Argyllshire, Scotland.
Children of Sir Alexander Colquhoun of Luss and Helen Buchanan
Citations
- [S37] Charles Mosley, editor, Burke's Peerage, Baronetage & Knightage, 107th edition, 3 volumes (Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, 2003), volume 1, page 666. Hereinafter cited as Burke's Peerage and Baronetage, 107th edition.
- [S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition.
- [S37] Charles Mosley, Burke's Peerage and Baronetage, 107th edition, volume 1, page 860.
Barbara Cavendish-Bentinck
F, #13659
Barbara Cavendish-Bentinck||p1366.htm#i13659|Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland|b. 18 Jun 1897\nd. c 1990|p963.htm#i9622|Kathleen Elsie Barry||p963.htm#i9624|William G. F. Cavendish-Bentinck|b. 26 Aug 1856\nd. 13 Nov 1948|p962.htm#i9618|Ruth M. St. Maur|b. 27 Oct 1867\nd. 28 Jan 1953|p964.htm#i9637|Arthur Barry||p2347.htm#i23464||||
Last Edited=10 May 2003
Barbara Cavendish-Bentinck is the daughter of Victor Frederick William Cavendish-Bentinck, 9th Duke of Portland and Kathleen Elsie Barry.
Christina Anne Jessica Cavendish-Bentinck 
F, #13660, d. 2 June 1912
Christina Anne Jessica Cavendish-Bentinck|d. 2 Jun 1912|p1366.htm#i13660|George Augustus Frederick Cavendish-Bentinck|b. 9 Jul 1821\nd. 9 Apr 1891|p964.htm#i9638|Prudentia Penelope Leslie|d. 22 Jun 1896|p964.htm#i9639|Maj.-Gen. Lord Frederick Cavendish-Bentinck|b. 2 Nov 1781\nd. 11 Feb 1828|p961.htm#i9604|Mary Lowther|b. b 1805\nd. 21 Oct 1863|p965.htm#i9641|Colonel Charles P. Leslie|d. 15 Nov 1831|p1822.htm#i18220|Christiana Fosbery|d. 24 Apr 1869|p25362.htm#i253617|
Last Edited=10 May 2003
Consanguinity Index=0.0%
Christina Anne Jessica Cavendish-Bentinck was the daughter of George Augustus Frederick Cavendish-Bentinck and Prudentia Penelope Leslie. She married Sir Tatton Sykes, 5th Bt. on 3 August 1874. She died on 2 June 1912.
Her married name became Sykes.
Her married name became Sykes.
Child of Christina Anne Jessica Cavendish-Bentinck and Sir Tatton Sykes, 5th Bt.
- Sir Tatton Benvenuto Mark Sykes, 6th Bt.+ b. 16 Mar 1879, d. 16 Feb 1919





