Johannes Meerman (1624 – 1675) was a Dutch Golden Age mayor of Leiden who was a friend and assistant to Johan de Witt.
He was ambassador to England in 1667 where he helped close the Triple Alliance with England and Sweden.Johannes Meerman in Van der Aa He commissioned a family portrait from the painter Pieter Cornelisz van Slingelandt that hangs in the Louvre.
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