Mrs Tweedy is the younger daughter of David Ranald Lewthwaite, [b.
1940], son and heir of Brig. Sir Ranald Gilfrid Lewthwaite, 4th
Baronet, [b.1913]. Mrs Tweedy's mother, the former Diana Helena
Tomkinson [b. 1943], is a granddaughter maternally of Commander Sir
Charles Rodney Blane, RN, 4th and last Baronet, [1879-1916].
Source: Daily Telegraph 28 September 2005
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