Family tree of the Marquesses of Downshire, Earls of Hillsborough, and the Barons Sandys
Michael Hill
(1672–1699)		See also: Archbishop Sandys family tree
Viscount Hillsborough and Baron Hill of Kilwarlin, 1717Viscount Dungannon (2nd creation) and Baron Hill of Olderfleet, 1766Baron Sandys of Ombersley in the County of Worcester (2nd creation), 1743
Trevor Hill
(1693–1742)
1st Viscount Hillsborough and Baron Hill of Kilwarlin		Arthur Hill-Trevor
(1694–1771)
1st Viscount Dungannon and Baron Hill of Olderfleet		Samuel Sandys
(1695–1770)
1st Baron Sandys
Earl of Hillsborough (Ireland) and Viscount Kilwarlin, 1751
Baron Harwich, 1756
Marquess of Downshire, Earl of Hillsborough (Great Britain) and Viscount Fairford, 1789
Wills Hill
(1718–1793)
1st Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 2nd Viscount Hillsborough and Baron Hill of Kilwarlin		Edwin Sandys
(1726–1797)
2nd Baron Sandys		Martin Sandys
(1729–1768)
Barony Sandys (2nd creation) extinct, 1797
Baron Sandys of Ombersley in the County of Worcester (3rd creation), 1802
Arthur Hill
(1753–1801)
2nd Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 3rd Viscount Hillsborough and Baron Hill of Kilwarlin		Mary Hill
(1764–1836)
1st Baroness Sandys
Arthur Blundell Sandys Trumbull Hill
(1788–1845)
3rd Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 4th Viscount Hillsborough and Baron Hill of Kilwarlin		Arthur Moyses William Hill
(1792–1860)
2nd Baron Sandys		Arthur Marcus Cecil (Hill) Sandys
(1798–1863)
3rd Baron Sandys		George Augusta Hill
(1801–1879)
Arthur Wills Blundell Sandys Trumbull Windsor Hill
(1812–1868)
4th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 5th Viscount Hillsborough and Baron Hill of Kilwarlin
Arthur Wills Blundell Trumbull Sandys Roden Hill
(1844–1874)
5th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 6th Viscount Hillsborough and Baron Hill of Kilwarlin		Augustus Frederick Arthur (Hill) Sandys
(1840–1904)
4th Baron Sandys		Michael Edwin Marcus (Hill) Sandys
(1855–1948)
5th Baron Sandys		Arthur Sandys Hill
(1837–1923)
Arthur Wills John Wellington Trumbull Blundell Hill
(1871–1918)
6th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 7th Viscount Hillsborough and Baron Hill of Kilwarlin		Arthur Fitzgerald Sandys Hill
(1876–1961)
6th Baron Sandys
Arthur Wills Percy Wellington Blundell Trumbull Hill
(1894–1989)
7th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 8th Viscount Hillsborough and Baron Hill of Kilwarlin		Lord Arthur Francis Hill
(1895–1953)
Arthur "Robin" Ian Hill
(1929–2003)
8th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 9th Viscount Hillsborough and Baron Hill of Kilwarlin		Richard Hill
(1931–2013)
7th Baron Sandys
Arthur Francis "Nicholas" Wills Hill
(b. 1959)
9th Marquess of Downshire, Earl of Hillsborough (Ire & GB), Viscount Kilwarlin, Viscount Fairford, and Baron Harwich, 10th Viscount Hillsborough and Baron Hill of Kilwarlin, 8th Baron Sandys
Edmund Robin Arthur Hill
(b. 1996)
styled Earl of Hillsborough
Heir apparent to the Marquessate of Downshire and the Barony of Sandys
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