'Cowper1'Index links to: Lead / Letter
Families covered: Cowper of Cowper, Cowper of Hertingfordbury, Cowper of Ratling(e) Court

John Cowper of Strode (a temp Edward IV who r. 1461-1483)
1. ?? Cowper
  A. ?? Cowper
  i. John Cowper of St. Michael's Cornhill, Sheriff of London (a 1551, d 03.06.1609)
  m. Elizabeth Ironside (dau of John Ironside of Lincolnshire)
  a. Sir William Cowper, 1st Bart of Ratling or Ratlinge Court (b 07.03.1582, d 20.12.1664, 2nd son)
  m. (29.09.1611) Martha Masters (bur 25.11.1659, dau of James Masters of East Langdon)
  (1) John Cowper of Lincoln's Inn (dvp 09.1643)
BP1870 jumps from the 1st Bart to his grandson, the 2nd Bart. TCB names the intervening son as John and identifies his wife as Martha, dau of George Hewkley of London. That is supported by HoP ("Sir William Cowper") although that spells the family name 'Hukeley'. Wikipedia (here, 15.05.24) identifies her as Joyce Hukeley (1622-1669). A contributor (NK, 15.05.24) kindly identified her as ...
  m. Joyce Hewkley (dau of Peter Hewkley)
  (A) Sir William Cowper, 2nd Bart of Ratling Court (bpt 14.12.1639, d 26.11.1706)
  m. (04.1663) Sarah Holled (b c1643, d 03.02.1719, dau of Sir Samuel Holled of London)
  (i) Sir William Cowper, 1st Earl Cowper (b c1665, d 10.10.1723, Lord Chancellor of GB)
m1. (c1686) Judith Booth (dsps 02.04.1705, dau of Sir Robert Booth of Wallbrook, London)
  m2. (09.1706) Mary Clavering (b 1685, d 05.02.1723, dau of John Clavering of Chopwell)
  (a) William Cowper, later Clavering-Cowper, 2nd Earl Cowper (b 13.08.1709, d 18.09.1764)
  m1. (27.06.1732) Henrietta Nassau de Auverquerque (d 23.09.1747, dau of Henry de Nassau de Auverquerque, Earl of Grantham)
  ((1)) George Nassau Clavering-Cowper, 3rd Earl Cowper, Prince (b 26.08.1738, d 22.12.1789)
m. (02.06.1775) Anne Gore (b c1758, d 05.09.1826, dau of Charles Gore of Horkstowe)
  ((A)) George Augustus Clavering-Cowper, 4th Earl Cowper (b 09.08.1776, d unm 12.02.1799)
  ((B)) Peter Leopold Louis Francis Nassau Clavering-Cowper, 5th Earl Cowper (b 06.05.1778, d 21.07.1837) had issue
  m. (20.07.1805) Emily Mary Lamb (b 21.04.1787, d 11.09.1869, dau of Peniston Lamb, 1st Viscount Melbourne)
  ((C)) Edward Spencer Clavering-Cowper (b 16.07.1779, d 1823)
  m. (23.05.1808) Catharine March-Phillipps (d 1830, dau of Thomas March-Phillipps of Garendon Park)
  m2. (01.05.1750) Georgiana Caroline Carteret (d 21/5.08.1780, dau of John Carteret, Earl Granville)
  ((2)) Caroline Cowper (d 02.06.1773)
  m. Henry Seymour of Sherborne (d 1805)
  (b) Spencer Cowper, Dean of Durham (dsp 25.03.1774)
  m. Dorothy Townshend (dau of Charles, 2nd Viscount Townshend)
  (c) Sarah Cowper (d unm 1758)
(d) Anne Cowper (d 26.03.1750)
  m. (1731) James Edward Colleton of Haynes Hill
  (ii) Spencer Cowper' of Hertingfordbury, Hertfordshire' (d 10.12.1728, Chief Justice)
  m(1). Pennington Goodere (dau of John Goodere)
  (a) William Cowper of Hertingfordbury Park (d 1740, Clerk of the Parliaments)
  m. Joan Budget (dau of John Budget of Chelsea)
  ((1)) William Cowper of Hertingfordbury Park (General)
  m. (Maria Frances Cecilia) Madan (cousin)
  ((2)) Henry Cowper
  ((3)) Mary Cowper (d 02.09.1800)
  m. (12.11.1743) Sir William de Grey, 1st Lord Walsingham (d 09.05.1781)
(b) John Cowper (b c1700, d 10.07.1756, rector of Great Berkhamstead, chaplain to King George II)
  m. Anne Donne (b 17.10.1703, d 13.11.1737, dau of Roger Donne of Ludham Hall)
  ((1)) William Cowper (b 15.11.1731, d unm 25.04.1800, poet)
  ((2)) John Cowper (b 1737, d unm 10.05.1770)
  (c) Ashley Cowper (d 1788)
  ((1)) Harriet Cowper (d 10.01.1807)
  m. Sir Thomas Hesketh, 1st Bart of Rufford (b 21.01.1727-8, dsp 04.03.1778)
  ((2)) Elizabeth Charlotte Cowper
m. (24.04.1759) Sir Archer Croft, 3rd Bart of Croft Castle (b 1731, d 30.11.1792)
  ((3)) Theodora Jane Cowper
  (d) Judith Cowper (poetess)
  m. (14.12.1723) Martin Madan (Colonel)
  The following comes from HoP ("James Cowper").
  (2) James Cowper of Westminster (bpt 08.12.1622, bur 08.08.1683, 5th son)
  m. (09.05.1657) Anne Wroth (d 02.07.1710, dau of John Wroth of Loughton, m2. 4th Earl of Suffolk)
  (A)+ 2 sons + 1 daughter

Main source(s): BP1870 ('Cowper') with a little input from TCB (vol 2, 'Cowper of Ratlinge Court', p160+)
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