William Thomas George Wentworth-Fitzwilliam, 10th Earl Fitzwilliam JP (28 May 1904 – 21 September 1979), known as Tom, of Wentworth Woodhouse, near Rotherham, Yorkshire (the largest private residence in England) and of Milton Hall, Peterborough (the largest house in Cambridgeshire), was a British peer.

He was educated at Eton College in houses run by Reginald Saumarez de Havilland and Clement James Mellish Adie.

[6] He left £11,776,401 gross (£11,584,880 net), thus paying virtually no death duties.

[7] Black Diamonds by Catherine Bailey, (the rise and fall of an English Dynasty

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