Genealogy research by Mark Humphrys.
The Viscounts Fitzwilliam of Ireland
The Fitzwilliam arms
Sir William Fitzwilliam
Sir Thomas Fitzwilliam, Kt
Sir Richard Fitzwilliam, Kt
Oliver Fitzwilliam, 2nd Viscount Fitzwilliam, and 1st Earl of Tyrconnel
Thomas Fitzwilliam, 4th Viscount Fitzwilliam
Evans, Baron Carbery
Richard Fitzwilliam, 7th Viscount Fitzwilliam
Fitzwilliam Museum, Cambridge
Merrion Castle, Co.Dublin
Simmonscourt Castle, Dublin
Dundrum Castle, Co.Dublin - Modern views
Donnybrook Castle, Co.Dublin
Booterstown Castle, Co.Dublin
Mount Merrion House - Map
Mount Merrion House - Model based on map of 1762
Mount Merrion House - From the air
Mount Merrion House - Video
The Lodge, Mount Merrion House
The stables, Mount Merrion House
The stables, Mount Merrion House (today)
Mount Merrion House - The E Avenue
Mount Merrion House - The N Avenue
Mount Merrion House - The Deer Park
Mount Merrion House - The Deer Park - William Ashford pictures
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