More on Mynheer Closh from Infoplease:

• Mynheer Closh - Mynheer Closh A Dutchman. Closh or Claus is an abbreviation of Nicholaus, a common name in Holland. ...
• Nicknames - Nicknames National Nicknames: For an American of the United States, “Brother Jonathan” ...
• Dictionary of Phrase and Fable: M - Definitions, origins, and illustrative excerpts for words, phases, and literary allusions starting with "M"