Barons Mordaunt in the Peerage of England (1529, abeyant 1836)
Earls of Peterborough in the Peerage of England (1628-1814)
Viscounts Mordaunt in the Peerage of England (1659, from 1697 to 1814)
Earls of Monmouth in the Peerage of England (1689, from 1697 to 1814)
1st Earl of Peterborough
- John Mordaunt, 1st Baron Mordaunt (d. 1562)
- John Mordaunt, 2nd Baron Mordaunt (1508–1571)
- Lewis Mordaunt, 3rd Baron Mordaunt (1538–1601)
- Henry Mordaunt, 4th Baron Mordaunt (c. 1567–1609)
- John Mordaunt, 1st Earl of Peterborough, 5th Baron Mordaunt (1599–1644)
2nd Earl of Peterborough KG
- Henry Mordaunt, 2nd Earl of Peterborough, 6th Baron Mordaunt KG (1621–1697)
7th Baroness Mordaunt and Beauchamp of Bletso
Henry Howard, 7th Duke of Norfolk KG (1655-1701)
Sir John Germain, 1st Baronet of Westminster (1650–1718), first marriage
Sir John Germain, 1st Baronet of Westminster (1650–1718), second marriage
- Mary Howard nee Mordaunt, 7th Baroness Mordaunt and Beauchamp of Bletso, Duchess of Norfolk, later Lady Germain (c. 1659–1705), daughter of 2nd Earl of Peterborough. Married firstly Henry Howard, 7th Duke of Norfolk KG (1655-1701), from whom she was divorced in 1700 and secondly Sir John Germain, 1st Baronet of Westminster (1650–1718) (thought to have been an illegitimate brother of William of Orange). Sir John married secondly Lady Elizabeth Berkeley (1680-1769), daughter of Charles Berkeley, 2nd Earl of Berkeley. On her death she left the Drayton estate to George Germain, 1st Viscount Sackville (1716–1785), third son of Lionel Sackville, 1st Duke of Dorset and previously Lord George Sackville.
3rd Earl of Peterborough and 1st Earl of Monmouth KG
3rd Earl of Peterborough and 1st Earl of Monmouth KG (alternative)
- Charles Mordaunt, 3rd Earl of Peterborough, 1st Earl of Monmouth, 2nd Viscount Mordaunt of Avalon, 8th Baron Mordaunt KG (c. 1658–1735)
4th and 5th Earls of Peterborough
- Charles Mordaunt, 4th Earl of Peterborough, 2nd Earl of Monmouth, 9th Baron Mordaunt (1708–1779)
- Charles Mordaunt, 5th Earl of Peterborough, 3rd Earl of Monmouth, 10th Baron Mordaunt (1758–1814)
- Mary Mordaunt, 11th Baroness Mordaunt (1738–1819), daughter of 4th Earl of Peterborough
4th Duke of Gordon
- Alexander Gordon, 4th Duke of Gordon, 1st Earl of Norwich, 12th Baron Mordaunt KT (1743–1827), grandson of the 3rd Earl of Peterborough.
- George Gordon, 5th Duke of Gordon, 13th Baron Mordaunt (1770–1836) (abeyant)
Viscounts Mordaunt in the Peerage of England (1659-1814)
Earls of Monmouth, second creation in the Peerage of England (1689-1814)
1st Viscount Mordaunt of Avalon
- John Mordaunt, 1st Viscount Mordaunt of Avalon and Baron Mordaunt of Reigate (1626–1675), second son of John Mordaunt, 1st Earl of Peterborough and Elizabeth Carey (daughter of Thomas Carey, younger son of Robert Carey, 1st Earl of Monmouth)
- Charles Mordaunt, 1st Earl of Monmouth, 2nd Viscount Mordaunt of Avalon and 3rd Earl of Peterborough (1658–1735)
see above
General Sir John Mordaunt KB
- General Sir John Mordaunt KB (1697–1780) grandson of 1st Viscount Mordaunt.
Mordaunt of Massingham Parva in the Baronetage of England (1611)
Mordaunt of Massingham Parva
- Sir Lestrange Mordaunt, 1st Baronet (1572–1627)
- Sir Robert Mordaunt, 2nd Baronet (died 1638)
- Sir Charles Mordaunt, 3rd Baronet (c. 1615–1648)
- Sir Charles Mordaunt, 4th Baronet (c. 1638–1665)
- Sir John Mordaunt, 5th Baronet (died 1721)
- Sir Charles Mordaunt, 6th Baronet (c. 1697–1778)
- Sir John Mordaunt, 7th Baronet (1734–1806)
- Sir Charles Mordaunt, 8th Baronet (1771–1823)
- Sir John Mordaunt, 9th Baronet (1808–1845)
- Sir Charles Mordaunt, 10th Baronet (1836–1897)
- Sir Osbert L'Estrange Mordaunt, 11th Baronet (1884–1934)
- Sir Henry Mordaunt, 12th Baronet (1867–1939)
- Sir Nigel John Mordaunt, 13th Baronet (1907–1979)
- Sir Richard Nigel Charles Mordaunt, 14th Baronet (born 1940)