Often used synonym (Second name) but also homonym (Collective name) for grape varieties. An independent one vine there is no such name. The origin of the name is unclear, although there are some hypotheses. One is that the name comes from the Italian municipality of Chiavenna in the Lombardy was derived, which in ancient times bore the Latin name Cleven. The assignment of the diverse synonyms of different spellings to the individual grape varieties is, however, not to be understood absolutely, since the different names or spellings were or are used individually depending on the country and wine-growing region. There are also some that are of purely historical importance. The commonality is that all varieties have very close genetic relationships (see under Pinot ):
Finally, in the Slovakia in the municipality of Radosina a cuvée of Pinot Gris and Pinot Blanc called "Radosinsky Klevner" (Klevner from Radosina). A vintage 1947 of this wine was served at the coronation of Queen Elizabeth II (* 1926).