House of Radclyffe
Incorporating the families of Fitzwalter Mildmay and Plumptre
Knights of the Garter
- Sir John Radcliffe KG (d. 1441)
- Sir Richard Ratcliffe KG (d. 1485)
Radclyffe of Derwentwater in the Baronetage of England (1620)
Earls of Derwentwater in the Peerage of England (1688–1716)
Titular Earls of Derwentwater in the Peerage of England (1716-1814)
Earls of Newburgh in the Peerage of Scotland (1660, 1755-1814)
Radclyffe of Derwentwater
- Sir Francis Radclyffe, 1st Baronet (1569–1622)
- Sir Edward Radclyffe, 2nd Baronet (1589–1663)
Earls of Derwentwater
- Sir Francis Radclyffe, 3rd Baronet,1st Earl of Derwentwater, Viscount Radclyffe and Langley and Baron Tyndale (1625–1697)
2nd Earl of Derwentwater
- Edward Radclyffe, 2nd Earl of Derwentwater (1655–1705) married Lady Mary Tudor, the natural daughter of King Charles II.
- James Radclyffe, 3rd Earl of Derwentwater (1689–1716) beheaded due to his role in the Jacobite Rising of 1715 and the titles forfeit.
- John Radclyffe, titular 4th Earl of Derwentwater (1713–1731)
- Charles Radclyffe, titular 5th Earl of Derwentwater (1693–1746) husband of Charlotte Maria Levingston, 3rd Countess of Newburgh.
Earls of Newburgh
- James Bartholomew Radclyffe, 4th Earl of Newburgh and titular 6th Earl of Derwentwater (1725–1787)
- Anthony James Radclyffe, 5th Earl of Newburgh and titular 7th Earl of Derwentwater (1757–1814)
Livingston of Kinnaird in the Baronetage of Nova Scotia (1627)
Viscount of Kynnaird in the Peerage of Scotland(1647)
Earls of Newburgh, in the Peerage of Scotland (1660)
1st and 2nd Earls of Newburgh
- Sir John Livingstone, 1st Baronet (d. 1628)
- James Levingston, 1st Earl of Newburgh, 1st Viscount of Kynnaird and Lord Levingston, 2nd Baronet (c.1622–1670)
- Charles Livingston, 2nd Earl of Newburgh (c. 1664–1755)
- Charlotte Maria Levingston, 3rd Countess of Newburgh (c. 1694–1755) wife of Charles Radclyffe, titular 5th Earl of Derwentwater (1725–1786)
4th and 5th Earls of Newburgh
- James Bartholomew Radclyffe, 4th Earl of Newburgh and titular 6th Earl of Derwentwater (1725–1787)
- Anthony James Radclyffe, 5th Earl of Newburgh and titular 7th Earl of Derwentwater (1757–1814)
6th Earl of Newburgh onwards
- Vincenzo Giuseppe Filippo Graziliano Giacopo Gasparo Baldassaro Melchior Domenico Giustiniani, 6th Prince Giustiniani and de jure 6th Earl of Newburgh (1762–1826)
- Maria Cecilia Agata Anna Josefa Laurenzia Donata Melchiorra Baldassara Gaspara Bandini, Duchess of Mondragone and de jure later de facto 7th Countess of Newburgh (1796–1877)
- Sigismondo Niccolo Venanzio Gaetano Francisco Giustiniani-Bandini, 1st Prince Bandini-Giustiniani and 8th Earl of Newburgh (1818–1908)
- Carlo Giustiniani-Bandini, 2nd Prince Bandini-Giustiniani and 9th Earl of Newburgh (1862–1941)
- Maria Sofia Guiseppina Giustiniani-Bandini, 10th Countess of Newburgh (1862–1941)
- Giulio Cesare Taddeo Cosimo Rospigliosi, 10thPrince Rospigliosi and 11th Earl of Newburgh (1907–1986)
- Filippo Giambattista Camillo Francesco Aldo Maria Rospigliosi, 11th Prince Rospigliosi and 12th Earl of Newburgh (b. 1942)
Barons FitzWalter in the Peerage of England (1295, 1585-1629)
Viscounts FitzWalter in the Peerage of England (1527-1643)
Earls of Sussex in the Peerage of England (1529-1643)
9th Baron FitzWalter
- John Radcliffe, 9th Baron FitzWalter (1452–1496) (forfeit 1496)
1st Earl of Sussex KG
- Robert Radcliffe, 1st Earl of Sussex, 1st Viscount Fitzwalter, 10th Baron FitzWalter KG (d. 1542) married Elizabeth Stafford, daughter of Henry Stafford, 2nd Duke of Buckingham and his wife Catherine Woodville.
2nd to 4th Earls of Sussex KG
- Henry Radcliffe, 2nd Earl of Sussex, 11th Baron FitzWalter KG (c. 1506–1557)
- Thomas Radclyffe, 3rd Earl of Sussex, 12th Baron FitzWalter KG (c. 1525–1583)
- Henry Radcliffe, 4th Earl of Sussex, 13th Baron FitzWalter KG (c. 1530–1593)
5th Earl of Sussex KG
- Robert Radcliffe, 5th Earl of Sussex, 14th Baron FitzWalter KG (d. 1629) On the death of 5th Earl of Sussex, 14th Baron FitzWalter, the Earldom of Sussex passed to his cousin and heir male, Edward Ratcliffe, and the right to the Barony of FitzWalter devolved on the heir general. See House of Mildmay.
6th and last Earl of Sussex
- Edward Radclyffe, 6th Earl of Sussex (1559–1643)
Barons FitzWalter in the Peerage of England (1295, abeyant 1629-1667. 1756-1924, 1932-1953)
Earls FitzWalter in the Peerage of Great Britain (1730-1756)
- Robert FitzWalter, 1st Baron FitzWalter (1247–1325)
- Robert FitzWalter, 2nd Baron FitzWalter (c. 1297–1328)
- John FitzWalter, 3rd Baron FitzWalter (c. 1314–1361)
- Walter FitzWalter, 4th Baron FitzWalter (1345–1386)
- Walter FitzWalter, 5th Baron FitzWalter (c. 1368–1406)
- Humphrey FitzWalter, 6th Baron FitzWalter (1398–1415)
- Walter FitzWalter, 7th Baron FitzWalter(1401–1431)
- Elizabeth Radcliff (nee Fitzwalter), 8th Baroness FitzWalter (1430–1485)
- John Radcliffe, 9th Baron FitzWalter (1452–1496) (forfeit 1496)
- Robert Radcliffe, 1st Earl of Sussex, 1st Viscount Fitzwalter, 10th Baron FitzWalter KG (d. 1542)
- Henry Radcliffe, 2nd Earl of Sussex, 11th Baron FitzWalter KG (c. 1506–1557)
- Thomas Radclyffe, 3rd Earl of Sussex, 12th Baron FitzWalter KG (c. 1525–1583)
- Henry Radcliffe, 4th Earl of Sussex, 13th Baron FitzWalter KG (c. 1530–1593)
- Robert Radcliffe, 5th Earl of Sussex, 14th Baron FitzWalterKG (d. 1629) On the death of 5th Earl of Sussex, 14th Baron FitzWalter, the Earldom of Sussex passed to his cousin and heir male, Edward Ratcliffe, and the right to the Barony of FitzWalter devolved on the heir general:
- Henry Mildmay, de jure 15th Baron FitzWalter (c. 1585–1654) son of Lady Frances Mildmay, only daughter of the second Earl of Sussex.
- Henry Mildmay, de jure 16th Baron FitzWalter (d. 1662) claimed the Barony of FitzWalter in the House of Lords in 1660.
- Benjamin Mildmay, 17th Baron FitzWalter (c. 1646–1679) petitioned the House of Lords in 1667 for a writ of summons and a decision given in his favour by the Privy Council in 1669.
- Charles Mildmay, 18th Baron FitzWalter (1670–1728)
- Benjamin Mildmay, 1st Earl FitzWalter, Viscount Harwich, 19th Baron FitzWalter (1672–1756) On his death the Earldom of FitzWalter and the Viscountcy of Harwich became extinct but the Barony of FitzWalter fell into abeyance amongst the issue of his aunt, Hon Mary Mildmay, the only sister of the 16th and 17th Barons FitzWalter. The abeyance was terminated 30 Sep 1924 after nearly 169 years in favour of one of the co-heirs:
- Henry Fitzwalter Plumptre, 20th Baron FitzWalter (1860–1932) (abeyance terminated 1924; abeyant 1932) son of John Bridges Plumptre and grandson of Eleanor, wife of Reverend Henry Western Plumptre and daughter of Sir Brook William Bridges, 4th Baronet, of Goodneston, a descendant of Mary, sister of the sixteenth and seventeenth Barons.
- Fitzwalter Brook Plumptre, 21st Baron FitzWalter (1914–2004) (abeyance terminated 1953)
- Julian Brook Plumptre, 22nd Baron FitzWalter (b. 1952)