Peter Thellusson

Peter [de] Thellusson (27 June 1737 — 21 July 1797) was a French-Swiss businessman and banker who settled in London.

Thellusson was a member of a Huguenot family which had fled France for Geneva in the 16th century. His father Isaac had started a Swiss bank and became the Genevan ambassador to Paris. Peter and his brother George-Tobie managed the successful bank in cooperation with Jacques Necker. He managed the London branch of the bank from 1760, but started his own finance house in Philpot Lane, and in 1761 took British nationality by Act of Parliament. On 6 January 1760 he married Ann, daughter of Matthew Woodford and sister of Sir Ralph Woodford of Carlby, Lincolnshire.

He was also involved in other businesses. becoming a director of the Bank of England, part owner of several sugar refineries, and an importer of tobacco and sugar from the West Indies. He built a large house for himself 'Plaistow Lodge' at Bromley in Kent (Now Bromley Parish CofE Primary School) and in 1790 bought the Brodsworth estate in South Yorkshire (House and gardens English Heritage) After his death his estate was embroiled in the Thellusson Will Case.

His son Peter-Isaac was created Baron Rendlesham in 1806.