Statistics for occurrence #1 of “Christina Harriet Caroline Fox” in entry acland-john-dyke of Harper's Encyclopedia of United States History:
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The major was unhurt, but a severe cold, which he contracted at the time of the duel, culminated in a fever which caused his death at his seat at Pixton, Somersetshire, Oct. 31, 1778.
His wife, Christina Harriet Caroline Fox , better known as Lady Harriet, was a daughter of the first Earl of Ilchester; was born in 1750; married John Dyke Acland in 1770; and died near Taunton, England, July 21, 1815.
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