The red grape variety (also Ouchette) comes from France, According to in 2012 DNA analysis is a presumably natural cross between Gouais Blanc x Chatus, However, this is based on only 20 DNA markers (see under molecular Genetics ). By the way, the same parent is also the variety Sérénèze de Voreppe emerged. Onchette was previously common in the Vallée du Drac in the Isère department in south-eastern France. The almost extinct variety was replanted as part of a revitalization program in the municipality of Prébois (near Grenoble). In 2010, however, no stock was shown (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012