William Cole1
- [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 II, page 142. Hereinafter cited as The Complete Peerage.
Hon. George Charles Grantley FitzHardinge Berkeley1 
Hon. George Charles Grantley FitzHardinge Berkeley usually went by his middle name of Grantley.2 He held the office of Member of Parliament (M.P.) for West Gloucestershire between 1832 and 1852.1 He wrote the book Berkeley Castle, published 1836, an historical romance in three volumes.2 He wrote the book Sandron Hall, or the Days of Queen Anne, published 1840.2 He wrote the book The English Sportsman in the Western Prairies, published 1861.2 He wrote the book My Life and Recollections, published between 1865 and 1866, in four volumes.2 He wrote the book Anecdotes of the Upper Ten Thousand, their Legends and their Lives, published 1867.2 He wrote the book Tales of Life and Death, published 1870.2 He wrote the book Fact against Fiction, published 1874, in two volumes.2 He has an extensive biographical entry in the Dictionary of National Biography.2

Children of Hon. George Charles Grantley FitzHardinge Berkeley and Caroline Martha Benfield
- Swinburne FitzHardinge Berkeley3 b. 20 Oct 1825, d. 31 Dec 1865
- Edward Stratton FitzHardinge Berkeley2 b. 16 Jul 1827, d. 29 May 1878

- [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 II, page 144. Hereinafter cited as The Complete Peerage.
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995), reference: “Berkeley, George Charles Grantley FitzHardinge”. Hereinafter cited as Dictionary of National Biography.
- [S37] BP2003 volume 1, page 351. See link for full details for this source. Hereinafter cited as. [S37]
Arthur Herbert Jackson1 
Child of Arthur Herbert Jackson and Kate Brand
- Sybil Dean Jackson b. 1878
- [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 II, page 144. Hereinafter cited as The Complete Peerage.
Helen Ruth Walsh1
From 1995, her married name became Gueterbock.1
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Lt.-Cdr. Brian Walsh1
Child of Lt.-Cdr. Brian Walsh
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Hon. Philippa Louise Gueterbock1
She was educated at Godolphin School, Salisbury, Wiltshire, EnglandG.1
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Julia Clarke1
After her marriage, Julia Clarke was styled as Baroness Berkeley on 8 May 1999. From 8 May 1999, her married name became Gueterbock.1 After her marriage, Julia Clarke was styled as Baroness Gueterbock on 18 April 2000.
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Michael Clarke1
Child of Michael Clarke
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Sir Thomas Malesmains1
Child of Sir Thomas Malesmains
- Lucy Malesmains1 d. 18 Jan 1234
- [S37] BP2003 volume 1, page 347. See link for full details for this source. Hereinafter cited as. [S37]
Thomas fitz Maurice1 
He gained the title of Lord of Offaly.6 Thomas fitz Maurice also went by the nick-name of ‘A nAppagh’ (or in English, ‘the monkey-nurtured’), from a legend that he was cared for by an ape during a time of trouble.6 He was feudal Lord of Decies and Desmond.4 He held the office of Justiciar of Ireland in 1295.4
Child of Thomas fitz Maurice
Children of Thomas fitz Maurice and Margaret de Berkeley
- Maurice fitz Thomas, 1st Earl of Desmond+5 d. 25 Jan 1355/56
- John fitz Thomas+7 d. 1324
- Thomas fitz Thomas1 b. c 2 Apr 1290, d. b 2 Apr 1309
- [S22] Sir Bernard Burke, C.B. LL.D., A Genealogical History of the Dormant, Abeyant, Forfeited, and Extinct Peerages of the British Empire, new edition (1883; reprint, Baltimore, Maryland: Genealogical Publishing Company, 1978), page 204. Hereinafter cited as Burkes Extinct Peerage.
- [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 IV, page 235. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume IV, page 236.
- [S37] BP2003 volume 1, page 1435. See link for full details for this source. Hereinafter cited as. [S37]
- [S47] BIFR1976 Barry, page 67. See link for full details for this source. Hereinafter cited as. [S47]
- [S47] BIFR1976. [S47]
- [S37] BP2003. [S37]