Viscounts FitzWilliam (1629; Reverted)
- William FitzWilliam, 3rd Viscount FitzWilliam (d. 1670)
- Thomas FitzWilliam, 4th Viscount FitzWilliam (d. 1704)
- Richard FitzWilliam, 5th Viscount FitzWilliam (1677–1743)
- Richard FitzWilliam, 6th Viscount FitzWilliam (1711–1776)
- Richard FitzWilliam, 7th Viscount FitzWilliam (1745–1816)
- John FitzWilliam, 8th Viscount FitzWilliam (1752–1830)
- Thomas FitzWilliam, 9th Viscount FitzWilliam (1755–1833)
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