sentences:  In 1767, Gerverot won a large sum in the city lottery of Mainz.In 1769, he came to Weesp, and worked in the porcelain factory of Bertrand Philip, count of Gronsveld, former envoy in Berlin, and now drost of Muiden and president of the Admiralty of Amsterdam.Production and activity did not take off and thus this enterprise, Holland's first porcelain factory, closed in 1771.