Sarah Theresa Pratviel
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Sarah Theresa Pratviel (12 Feb 1730 - 6 June 1816) was the second daughter of Daniel (or David) Pratviel, a wealthy Huguenot emigré and merchant of London. Her will was Proved at London with a Codicil 21st June 1816.
Source:
Kent's Directory, 1753;
The Universal Pocket Companion, 1760.