Sir Piers de Brewose1 
He lived at Tetbury, Gloucestershire, EnglandG.1
Child of Sir Piers de Brewose and Agnes (?)
- Thomas de Brewose, 1st Lord Brewose+1 b. 8 Sep 1301, d. fr 9 Jun 1361 – 16 Jun 1361
- [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 308. Hereinafter cited as The Complete Peerage.
Agnes (?)1
From before 1290, her married name became Husee.2 From after 1290, her married name became de Brewose.1
Child of Agnes (?) and Sir Piers de Brewose
- Thomas de Brewose, 1st Lord Brewose+1 b. 8 Sep 1301, d. fr 9 Jun 1361 – 16 Jun 1361
- [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 308. Hereinafter cited as The Complete Peerage.
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 111. Hereinafter cited as The Complete Peerage, Volume XIV.
Richard de Breuse1 
- [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 308. Hereinafter cited as The Complete Peerage.
Fiona Anne Stanley1
Her married name became Ferguson.2
Margaret (?)1 
From before 1395, her married name became de Brewose.1 From 6 January 1395/96, her married name became Burcestre.2 From after 22 February 1409/10, her married name became Berkeley.2
Children of Margaret (?) and Sir Thomas de Brewose
- Joan de Brewose2 b. c Apr 1393, d. 10 Oct 1395
- Thomas de Brewose2 b. 26 Aug 1395, d. 7 Oct 1395
- [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 309. Hereinafter cited as The Complete Peerage.
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 310.
Sir William Burcestre1 
- [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 310. Hereinafter cited as The Complete Peerage.
Sir John Berkeley1
He lived at Beverstone, Gloucestershire, EnglandG.3
Child of Sir John Berkeley
- Elizabeth Berkeley+3 d. c 8 Dec 1478
- [S37] BP2003 volume 1, page 1191. See link for full details for this source. Hereinafter cited as. [S37]
- [S2064] Susan Franz, “re: Bonville Family,” e-mail message to BENR, 7 January 2007. Hereinafter cited as “re: Bonville Family.”
- [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 161. Hereinafter cited as The Complete Peerage.
Thomas de Brewose1 
- [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 310. Hereinafter cited as The Complete Peerage.
Joan de Brewose1 
- [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 310. Hereinafter cited as The Complete Peerage.
Elizabeth de Say1 
She succeeded as the 5th Baroness Say [E., 1313] on 27 July 1382.2 From before 13 November 1393, her married name became Heron.1
On her death, any hereditary barony created by the writ of 1348 to Sir Thomas de Brewose became extinct.1
- [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 310. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 3, page 3531. See link for full details for this source. Hereinafter cited as. [S37]