Richard FitzWilliam, 6th Viscount FitzWilliam

Irish peer (1711-1776) (1711–1776)

Parents

• Richard FitzWilliam, 5th Viscount FitzWilliam
• Frances Shelley

Children

• Richard FitzWilliam, 7th Viscount FitzWilliam
• John FitzWilliam, 8th Viscount FitzWilliam

Siblings

• Frances FitzWilliam
• Mary FitzWilliam
• John Fitzwilliam

Partners

• Catherine Decker