Pieter van Bleiswijk (1724, Delft – 29 October 1790, The Hague) was grand pensionary of Holland from 1 December 1772 to November 1787. During the American Revolutionary War he was a sympathizer with the American insurgent cause and had dealings with American diplomats John Adams and Benjamin Franklin.Schulte Nordholt, Jan Willem, The Dutch Republic and American Independence, pp. 63-64, 66-67, 111-12, 66-67
He was an opponent of Duke Louis Ernest of Brunswick-Lüneburg, the main adviser of Prince William V of Orange. He was deposed during the Prussian invasion of the United Provinces in 1787.
References
Further reading Schulte Nordholt, Jan Willem. The Dutch Republic and American Independence, trans. Herbert H. Rowen. Chapel Hill: University of North Carolina Press 1982