This variety is the best-known white-wine producer grown in France and known to be one of the recently determined (1999) 16 possible direct descendants of the original ancestral Pinot cepage x Gouais Blanc ancient crossing.
Modern DNA fingerprinting research at University of California, Davis, now suggests that Chardonnay is the result of a cross between the Pinot and Gouais Blanc (Heunisch) grape varieties.
DNA fingerprinting has shown that like Aubin Blanc, Petit Meslier is the result of a cross between Gouais Blanc and Savagnin.
Researchers at the University of California at Davis used DNA profiling in 1999 to prove that Chardonnay originated as a cross of an obscure, ancient, and nearly extinct variety called gouais blanc with a member of the "pinot" family, ...
GWÄSS: (a.k.a Gwaess). Indigenous white wine grape of Switzerland now rarely found. Synonym name in France and Australia is Gouais Blanc.
 See also: Blanc, Gouais, Sparkling wine, Pinot blanc, Varietal
  
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