Barons Dartmouth in the Peerage of England (1682)
Earls of Dartmouth in the Peerage of Great Britain (1711)
1st Baron Dartmouth
- George Legge, 1st Baron Dartmouth (1647–1691) Barony Dartmouth created, with a special remainder, failing the heirs male of his body, to his brother William Legge, and his issue in tail male.
Earls of Dartmouth
- William Legge, 1st Earl of Dartmouth and Viscount Lewisham, 2nd Baron Dartmouth (1672–1750)
- William Legge, 2nd Earl of Dartmouth (1731–1801)
3rd Earl of Dartmouth KG
- George Legge, 3rd Earl of Dartmouth KG (1755–1810)
- William Legge, 4th Earl of Dartmouth (1784–1853)
- William Walter Legge, 5th Earl of Dartmouth (1823–1891)
- William Heneage Legge, 6th Earl of Dartmouth (1851–1936)
- William Legge, 7th Earl of Dartmouth (1881–1958)
- Humphry Legge, 8th Earl of Dartmouth (1888–1962)
- Gerald Humphry Legge, 9th Earl of Dartmouth (1924–1997)
- William Legge, 10th Earl of Dartmouth (b. 1949)
Barons Stawell of Somerton in the Peerage of Great Britain, Second creation (1760-1820)
1st Baroness Stawell
The Honourable Henry Bilson-Legge
- Mary Bilson-Legge nee Stawell, 1st Baroness Stawell (1726–1780) daughter of the 4th Baron, married the Honourable Henry Bilson-Legge (1708–1764), Chancellor of the Exchequer, fourth son of William Legge, 1st Earl of Dartmouth. Legge took the additional name of Bilson on succeeding to the estates of a relative, Thomas Bettersworth Bilson, in 1754. Barony created with remainder to Lady Stawell's sons by her first husband.
2nd Baron Stawell
- Henry Bilson-Legge, 2nd Baron Stawell (1757–1820)
Barons Stawell of Somerton in the Peerage of England, First creation (1683-1755)
Barons Stawell of Somerton
- Ralph Stawell, 1st Baron Stawell (d. 1689)
- John Stawell, 2nd Baron Stawell (d. 1692)
- William Stawell, 3rd Baron Stawell (d. 1742)
- Edward Stawell, 4th Baron Stawell (d. 1755)