Sir William Spencer1 
He was appointed Knight in 1529.1 He lived at Althorp, Northamptonshire, EnglandG.2 He held the office of High Sheriff of Northamptonshire from 1532 to 1533.1
Children of Sir William Spencer and Susan Knightley
- Sir John Spencer+1 d. 8 Nov 1586
- Jane Spencer1
- Dorothy Spencer+
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 167. Hereinafter cited as The New Extinct Peerage.
Susan Knightley1 
She was also known as Susan Knightly.
Children of Susan Knightley and Sir William Spencer
- Sir John Spencer+1 d. 8 Nov 1586
- Jane Spencer1
- Dorothy Spencer+
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 167. Hereinafter cited as The New Extinct Peerage.
Sir Richard Knightley1 
He lived at Fawsley, Northamptonshire, EnglandG.2
Children of Sir Richard Knightley and Jane Skenard
- Susan Knightley+1
- Richard Knightley2 d. 1537
- Thomas Knightley2 d. 18 Oct 1516
- Sir Edmond Knightley2 d. 12 Sep 1543
- Reverend John Knightley2
- Sir Valentine Knightley+2 d. 1566
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 167. Hereinafter cited as The New Extinct Peerage.
Jane Spencer1 
Her married name became Harcourt. Her married name became Bruges.1
Sir Richard Bruges1
He lived at Shefford, Berkshire, England.2
Rowland Laugharne1 
Child of Rowland Laugharne
- [S37] BP2003 volume 3, page 3471. See link for full details for this source. Hereinafter cited as. [S37]
Sir John Spencer1 
On 3 September 1506 he acquired the Wormleighton estate in Warwickshire, as well as the Althorp estate in Northamptonshire.1
Child of Sir John Spencer
Children of Sir John Spencer and Isabel Grant
- Sir William Spencer+1 d. 22 Jun 1532
- Isabel Spencer+3 d. 25 Aug 1560
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 167. Hereinafter cited as The New Extinct Peerage.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
Isabel Grant1 
Children of Isabel Grant and Sir John Spencer
- Sir William Spencer+1 d. 22 Jun 1532
- Isabel Spencer+3 d. 25 Aug 1560
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S10] John Pearson, Blood Royal: The Story of the Spencers and the Royals (London, U.K.: HarperCollins, 1999), endpiece. Hereinafter cited as Blood Royal.
- [S3268] Hans Harmsen, “re: Chester Family,” e-mail message to BENR, 21 August 2008. Hereinafter cited as “re: Chester Family.”
Lady Dorothy Sydney1 

by van Dyck 2
Lady Dorothy Sydney was baptised on 5 October 1617.3 She was born at Scion House, EnglandG.3 She was the daughter of Robert Sydney, 2nd Earl of Leicester and Lady Dorothy Percy.1 She married, firstly, Henry Spencer, 1st Earl of Sunderland, son of William Spencer, 2nd Baron Spencer of Wormleighton and Lady Penelope Wriothesley, on 20 July 1639 at Penhurst, Kent, EnglandG.1 She married, secondly, Robert Smythe, son of Sir John Smythe and Isabel Rich, on 8 July 1652.3 She died on 5 February 1683/84 at age 66.4 She was buried on 25 February 1683/84 at Brington, Northamptonshire, EnglandG.3
From 20 July 1639, her married name became Spencer. After her marriage, Lady Dorothy Sydney was styled as Countess of Sunderland on 8 June 1643. From 8 July 1652, her married name became Smythe.
Children of Lady Dorothy Sydney and Henry Spencer, 1st Earl of Sunderland
- Lady Dorothy Spencer+5 b. 1640, d. 16 Dec 1670
- Robert Spencer, 2nd Earl of Sunderland+3 b. 1641, d. 28 Sep 1702
- Lady Penelope Spencer2 b. 1642, d. 1667
- Lady Penelope Spencer5 b. c Jan 1644, d. c 1645
Child of Lady Dorothy Sydney and Robert Smythe
- [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 XII/1, page 483. Hereinafter cited as The Complete Peerage.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S6] Cokayne, and others, The Complete Peerage, volume XII/1, page 484.
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 1870. Hereinafter cited as DeBretts Peerage, 1999.
- [S10] John Pearson, Blood Royal: The Story of the Spencers and the Royals (London, U.K.: HarperCollins, 1999), endpiece. Hereinafter cited as Blood Royal.
Robert Sydney, 2nd Earl of Leicester1 
He was also known as Robert Sidney.3 He was appointed Knight, Order of the Bath (K.B.) in 1610.2 He was educated at Christ Church, Oxford University, Oxford, Oxfordshire, EnglandG.2 He held the office of Member of Parliament (M.P.) for Kent between 1620 and 1622.2 He held the office of Member of Parliament (M.P.) for Monmouthshire from 1624 to 1625.2 He succeeded as the 2nd Viscount L’Isle [E., 1605] on 13 July 1626.2 He succeeded as the 2nd Baron Sydney of Penshurst, co. Kent [E., 1603] on 13 July 1626.2 He succeeded as the 2nd Earl of Leicester [E., 1618] on 13 July 1626.2 He held the office of Ambassador to Holstein in 1632.2 He partipicated in an ordinance between July 1632 and November 1632; Ambassador to Denmark.2 He held the office of Ambassador to France between 1636 and 1641.2 He held the office of Member of Parliament (M.P.) for Wilton in 1637.2 He was appointed Privy Counsellor (P.C.) in 1639.2 He held the office of Lord-Lieutenant of Ireland between 1641 and 1643.2 He held the office of Lord-Lieutenant of Kent in 1642.2 He was appointed Privy Counsellor (P.C.) in 1660.2
Children of Robert Sydney, 2nd Earl of Leicester and Lady Dorothy Percy
- Lady Isabella Sydney2 d. Jun 1663
- Lady Dorothy Sydney+1 b. 5 Oct 1617, d. 5 Feb 1683/84
- Philip Sydney, 3rd Earl of Leicester+2 b. 10 Jan 1618/19, d. 6 Mar 1697/98
- Algernon Sydney2 b. 1622, d. 7 Dec 1683
- Robert Sydney4 b. 1626, d. 1668
- Lady Lucy Sydney+5 b. 1630, d. c Oct 1685
- Lt.-Gen. Henry Sydney, 1st and last Earl of Romney2 b. 1641, d. 8 Apr 1704
- [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 XII/1, page 483. Hereinafter cited as The Complete Peerage.
- [S37] BP2003 volume 1, page 1078. See link for full details for this source. Hereinafter cited as. [S37]
- [S34] BP1970 page 756. See link for full details for this source. Hereinafter cited as. [S34]
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S37] BP2003. [S37]