maid Neeltie Jans de Vries died
Date:
November 10, 1691
Neeltie Jans de Vries, the Leeuwenhoek family's maid, died in the Gulden Hoofd.
Three weeks before that, on 21 October 1691, she made a will describing her as "sick in body and lying in bed". In it, she named Leeuwenhoek one of the executors of her estate.
Document:
DTB Deflt inv. 49, p. 209