Earl of Chatham
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Earl of Chatham, of Chatham in the County of Kent, was a title in the Peerage of Great Britain. It was created in 1766 for William Pitt the Elder on his appointment as Lord Privy Seal, along with the subsidiary title of Viscount Pitt, of Burton Pynsent in the County of Somerset, also in the Peerage of Great Britain.
The first earl's wife, the former Lady Hester Grenville, daughter of the 1st Countess Temple, had earlier been created the Baroness Chatham, of Chatham in the County of Kent, also in the Peerage of Great Britain, in 1761, as at that stage her husband had wished to remain a member of the House of Commons.
Their second son was William Pitt the Younger, who became the country's youngest Prime Minister in 1783, at the age of 24.
Their eldest son, John Pitt, inherited the earldom and viscountcy in 1778 and the barony in 1803. Upon his death in 1835, all three titles became extinct.
Barons Chatham (1761)

The second creation of this title came in 1761 in favour of Lady Hester Pitt; the first creation was for John Campbell, 2nd Duke of Argyll and hence the Duke of Argyll.
- Hester Pitt, 1st Baroness Chatham (1720–1803)
- John Pitt, 2nd Earl of Chatham, 2nd Baron Chatham (1756–1835)
Earls of Chatham (1766)
- William Pitt, 1st Earl of Chatham (1708–1778)
- John Pitt, 2nd Earl of Chatham (1756–1835)
Family tree
| vteFamily tree of the Duke of Buckingham and Chandos, Marquess of Buckingham, Marquess of Chandos, Viscount Cobham, Earl Temple, Earl Temple of Stowe, Baron Cobham, Baron Grenville, Baron Lyttelton, Baron Westcote and Temple baronets | |||||||||||||||||||||||||||||||||||||
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| Peter Temple Anthony TempleJohn Temple Baronet, of Stowe, in the County of Buckingham, 1611 William Temple 1555–1627Thomas Temple 1567–1637 1st Baronet, of StoweAlexander Temple 1583–1629 Baronet, of Frankley, in the County of Worcester, 1618 John Temple 1600–1677Peter Temple 1592–1653 2nd Baronet, of StoweJohn Temple 1593–1632James Temple 1606–1680Thomas Lyttelton 1593–1650 1st Baronet, of Frankley Baronet, of Stowe, in the County of Buckingham, 1662 Thomas Temple 1613/14–1674 1st Baronet, of StowePeter Temple 1613–1660Henry Lyttelton 1624–1693 2nd Baronet, of FrankleyCharles Lyttelton 1628–1716 3rd Baronet, of Frankley Baronetcy of Stowe (1662 creation) extinct, 1674 John Temple 1632–1705Richard Temple 1634–1697 3rd Baronet, of StoweEleanor Temple d. 1729 m. Richard GrenvilleWilliam Temple d. 1706 Viscount Palmerston and Baron Temple, of Mount Temple in the County of Sligo, 1723Baron Cobham, of Cobham in the County of Kent (6th creation), 1714 Viscount Cobham and Baron Cobham, of Cobham in the County of Kent (7th creation), 1718Earl Temple, 1749 Henry Temple c.1673–1757 1st Viscount Palmerston and Baron TempleRichard Temple 1675–1749 1st Viscount Cobham and Baron Cobham, 4th Baronet, of StoweHester Grenville c.1690–1752 1st Countess Temple, 2nd Viscountess Cobham and 2nd Baroness CobhamRichard Grenville 1678–1727Christian TempleThomas Lyttelton 1686–1751 4th Baronet, of FrankleyWilliam Temple 1694–1760 5th Baronet, of StowePeter Temple d. 1761 6th Baronet, of Stowe Barony of Cobham (1714 creation) extinct, 1749 Henry, Lord TempleRichard Temple 1731–1786 7th Baronet, of Stowe Baron Lyttelton (1st creation), 1756Baron Westcote, 1776 Baron Lyttelton (2nd creation), 1794Baronetcy of Stowe dormant, 1786 Henry Temple 1739–1802 2nd Viscount Palmerston and Baron TempleRichard Grenville-Temple 1711–1779 2nd Earl Temple, 3rd Viscount Cobham and Baron CobhamGeorge Grenville 1712–1770Hester Grenville 1720–1803 Baroness Chatham m. William Pitt the Elder, Earl of Chatham and Viscount PittGeorge Lyttelton 1709–1773 1st Baron Lyttelton, 5th Baronet, of FrankleyWilliam Henry Lyttelton 1724–1808 1st Baron Lyttelton Marquess of Buckingham (2nd creation), 1784Baron Grenville, of Wotton under Bernewood in the County of Buckingham, 1790 George Nugent-Temple-Grenville 1753–1813 1st Marquess of Buckingham, 3rd Earl Temple, 2nd Earl Nugent, 4th Viscount Cobham and Baron CobhamWilliam Wyndham Grenville 1759–1834 1st Baron GrenvilleWilliam Pitt the Younger 1759–1806Thomas Lyttelton 1744–1779 2nd Baron Lyttelton, 5th Baronet, of Frankley Barony of Grenville extinct, 1834Barony of Lyttelton and Baronetcy of Frankley extinct, 1779 Duke of Buckingham and Chandos, Marquess of Chandos and Earl Temple of Stowe, 1822 Henry John Temple 1784–1865 3rd Viscount Palmerston and Baron TempleRichard Temple-Nugent-Brydges-Chandos-Grenville 1776–1839 1st Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 2nd Marquess of Buckingham, 3rd Earl Nugent, 4th Earl Temple, 5th Viscount Cobham and Baron CobhamGeorge Fulke Lyttelton 1763–1828 2nd Baron LytteltonWilliam Henry Lyttelton 1782–1837 3rd Baron Lyttelton Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville 1797–1861 2nd Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 3rd Marquess of Buckingham, 4th Earl Nugent, 6th Viscount Cobham and Baron Cobham Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville 1823–1889 3rd Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 4th Marquess of Buckingham, 5th Earl Nugent, 6th Earl Temple, 7th Viscount Cobham and Baron CobhamAnna Eliza Mary (Temple-Nugent-Brydges-Chandos-Grenville) Gore-Langton 1820–1879William Henry Powell Gore-Langton 1824–1873George William Lyttelton 1817–1876 4th Baron Lyttelton Dukedom of Buckingham and Chandos, Marquessates of Buckingham and Chandos, and the Earldoms of Temple (1st creation) and of Nugent extinct, 1889 William Stephen Temple-Gore-Langton 1847–1902 4th Earl Temple of StoweCharles George Lyttelton 1842–1922 8th Viscount Cobham and Baron Cobham Algernon William Stephen Temple-Gore-Langton 1871–1940 5th Earl Temple of StoweChandos Graham Temple-Gore-Langton 1873–1921Evelyn Arthur Grenville Temple-Gore-Langton 1884–1972John Cavendish Lyttelton 1881–1949 9th Viscount Cobham and Baron Cobham Chandos Grenville Temple-Gore-Langton 1909–1966 6th Earl Temple of StoweRonald Stephen Brydges Temple-Gore-Langton 1910–1988 7th Earl Temple of StoweWalter Grenville Algernon Temple-Gore-Langton 1924–2013 8th Earl Temple of StoweCharles John Lyttelton 1909–1977 10th Viscount Cobham and Baron Cobham James Grenville Temple-Gore-Langton b. 1955 9th Earl Temple of StoweJohn William Leonard Lyttelton 1943–2006 11th Viscount Cobham and Baron CobhamChristopher Charles Lyttelton b. 1947 12th Viscount Cobham and Baron Cobham Rowan Caradoc Temple-Gore-Langton b. 1987Oliver Christopher Lyttelton b. 1976 Heir apparent to the Earl Temple of StoweHeir apparent to the Viscount Cobham | |||||||||||||||||||||||||||||||||||||
| Peter Temple | |||||||||||||||||||||||||||||||||||||
| Anthony Temple | John Temple | ||||||||||||||||||||||||||||||||||||
| Baronet, of Stowe, in the County of Buckingham, 1611 | |||||||||||||||||||||||||||||||||||||
| William Temple 1555–1627 | Thomas Temple 1567–1637 1st Baronet, of Stowe | Alexander Temple 1583–1629 | |||||||||||||||||||||||||||||||||||
| Baronet, of Frankley, in the County of Worcester, 1618 | |||||||||||||||||||||||||||||||||||||
| John Temple 1600–1677 | Peter Temple 1592–1653 2nd Baronet, of Stowe | John Temple 1593–1632 | James Temple 1606–1680 | Thomas Lyttelton 1593–1650 1st Baronet, of Frankley | |||||||||||||||||||||||||||||||||
| Baronet, of Stowe, in the County of Buckingham, 1662 | |||||||||||||||||||||||||||||||||||||
| Thomas Temple 1613/14–1674 1st Baronet, of Stowe | Peter Temple 1613–1660 | Henry Lyttelton 1624–1693 2nd Baronet, of Frankley | Charles Lyttelton 1628–1716 3rd Baronet, of Frankley | ||||||||||||||||||||||||||||||||||
| Baronetcy of Stowe (1662 creation) extinct, 1674 | |||||||||||||||||||||||||||||||||||||
| John Temple 1632–1705 | Richard Temple 1634–1697 3rd Baronet, of Stowe | Eleanor Temple d. 1729 m. Richard Grenville | William Temple d. 1706 | ||||||||||||||||||||||||||||||||||
| Viscount Palmerston and Baron Temple, of Mount Temple in the County of Sligo, 1723 | Baron Cobham, of Cobham in the County of Kent (6th creation), 1714 Viscount Cobham and Baron Cobham, of Cobham in the County of Kent (7th creation), 1718 | Earl Temple, 1749 | |||||||||||||||||||||||||||||||||||
| Henry Temple c.1673–1757 1st Viscount Palmerston and Baron Temple | Richard Temple 1675–1749 1st Viscount Cobham and Baron Cobham, 4th Baronet, of Stowe | Hester Grenville c.1690–1752 1st Countess Temple, 2nd Viscountess Cobham and 2nd Baroness Cobham | Richard Grenville 1678–1727 | Christian Temple | Thomas Lyttelton 1686–1751 4th Baronet, of Frankley | William Temple 1694–1760 5th Baronet, of Stowe | Peter Temple d. 1761 6th Baronet, of Stowe | ||||||||||||||||||||||||||||||
| Barony of Cobham (1714 creation) extinct, 1749 | |||||||||||||||||||||||||||||||||||||
| Henry, Lord Temple | Richard Temple 1731–1786 7th Baronet, of Stowe | ||||||||||||||||||||||||||||||||||||
| Baron Lyttelton (1st creation), 1756 | Baron Westcote, 1776 Baron Lyttelton (2nd creation), 1794 | Baronetcy of Stowe dormant, 1786 | |||||||||||||||||||||||||||||||||||
| Henry Temple 1739–1802 2nd Viscount Palmerston and Baron Temple | Richard Grenville-Temple 1711–1779 2nd Earl Temple, 3rd Viscount Cobham and Baron Cobham | George Grenville 1712–1770 | Hester Grenville 1720–1803 Baroness Chatham m. William Pitt the Elder, Earl of Chatham and Viscount Pitt | George Lyttelton 1709–1773 1st Baron Lyttelton, 5th Baronet, of Frankley | William Henry Lyttelton 1724–1808 1st Baron Lyttelton | ||||||||||||||||||||||||||||||||
| Marquess of Buckingham (2nd creation), 1784 | Baron Grenville, of Wotton under Bernewood in the County of Buckingham, 1790 | ||||||||||||||||||||||||||||||||||||
| George Nugent-Temple-Grenville 1753–1813 1st Marquess of Buckingham, 3rd Earl Temple, 2nd Earl Nugent, 4th Viscount Cobham and Baron Cobham | William Wyndham Grenville 1759–1834 1st Baron Grenville | William Pitt the Younger 1759–1806 | Thomas Lyttelton 1744–1779 2nd Baron Lyttelton, 5th Baronet, of Frankley | ||||||||||||||||||||||||||||||||||
| Barony of Grenville extinct, 1834 | Barony of Lyttelton and Baronetcy of Frankley extinct, 1779 | ||||||||||||||||||||||||||||||||||||
| Duke of Buckingham and Chandos, Marquess of Chandos and Earl Temple of Stowe, 1822 | |||||||||||||||||||||||||||||||||||||
| Henry John Temple 1784–1865 3rd Viscount Palmerston and Baron Temple | Richard Temple-Nugent-Brydges-Chandos-Grenville 1776–1839 1st Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 2nd Marquess of Buckingham, 3rd Earl Nugent, 4th Earl Temple, 5th Viscount Cobham and Baron Cobham | George Fulke Lyttelton 1763–1828 2nd Baron Lyttelton | William Henry Lyttelton 1782–1837 3rd Baron Lyttelton | ||||||||||||||||||||||||||||||||||
| Richard Plantagenet Temple-Nugent-Brydges-Chandos-Grenville 1797–1861 2nd Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 3rd Marquess of Buckingham, 4th Earl Nugent, 6th Viscount Cobham and Baron Cobham | |||||||||||||||||||||||||||||||||||||
| Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville 1823–1889 3rd Duke of Buckingham and Chandos, Marquess of Chandos, and Earl Temple of Stowe, 4th Marquess of Buckingham, 5th Earl Nugent, 6th Earl Temple, 7th Viscount Cobham and Baron Cobham | Anna Eliza Mary (Temple-Nugent-Brydges-Chandos-Grenville) Gore-Langton 1820–1879 | William Henry Powell Gore-Langton 1824–1873 | George William Lyttelton 1817–1876 4th Baron Lyttelton | ||||||||||||||||||||||||||||||||||
| Dukedom of Buckingham and Chandos, Marquessates of Buckingham and Chandos, and the Earldoms of Temple (1st creation) and of Nugent extinct, 1889 | |||||||||||||||||||||||||||||||||||||
| William Stephen Temple-Gore-Langton 1847–1902 4th Earl Temple of Stowe | Charles George Lyttelton 1842–1922 8th Viscount Cobham and Baron Cobham | ||||||||||||||||||||||||||||||||||||
| Algernon William Stephen Temple-Gore-Langton 1871–1940 5th Earl Temple of Stowe | Chandos Graham Temple-Gore-Langton 1873–1921 | Evelyn Arthur Grenville Temple-Gore-Langton 1884–1972 | John Cavendish Lyttelton 1881–1949 9th Viscount Cobham and Baron Cobham | ||||||||||||||||||||||||||||||||||
| Chandos Grenville Temple-Gore-Langton 1909–1966 6th Earl Temple of Stowe | Ronald Stephen Brydges Temple-Gore-Langton 1910–1988 7th Earl Temple of Stowe | Walter Grenville Algernon Temple-Gore-Langton 1924–2013 8th Earl Temple of Stowe | Charles John Lyttelton 1909–1977 10th Viscount Cobham and Baron Cobham | ||||||||||||||||||||||||||||||||||
| James Grenville Temple-Gore-Langton b. 1955 9th Earl Temple of Stowe | John William Leonard Lyttelton 1943–2006 11th Viscount Cobham and Baron Cobham | Christopher Charles Lyttelton b. 1947 12th Viscount Cobham and Baron Cobham | |||||||||||||||||||||||||||||||||||
| Rowan Caradoc Temple-Gore-Langton b. 1987 | Oliver Christopher Lyttelton b. 1976 | ||||||||||||||||||||||||||||||||||||
| Heir apparent to the Earl Temple of Stowe | Heir apparent to the Viscount Cobham |
Arms
| Crest A stork proper beaked and membered or, resting the dexter claw on an anchor erect cabled or. Escutcheon Sable, a fess chequy argent and azure between three bezants. Supporters Dexter, A lion rampant guardant proper charged on the shoulder with an acorn or, slipped and leaved vert. Sinister, A buck proper attired, collared and chained or. Motto Benigno numine (By Divine Providence). |
These arms form the basis for those of Pittsburgh, Pennsylvania, and the University of Pittsburgh.