Elizabeth Witmer is a former Deputy Premier of Ontario, Canada. She was a member of the Legislative Assembly of Ontario from 1990 until 2012, representing Waterloo North and later Kitchener—Waterloo as a member of the Progressive Conservative Party.

Schiedam is a city and municipality in the west of the Netherlands. It is located in the Rotterdam–The Hague metropolitan area, west of Rotterdam, east of Vlaardingen, and south of Delft. In the south the city is connected with the village of Pernis by the Beneluxtunnel.