The parentage of the grape varieties, as far as it is known, is given with the respective keywords. Further information can be found under the grape variety keywords (see, for example, Grüner Veltliner and Riesling). Further information on the subject complex can be found under the following keywords:
A comprehensive list of all grapevine-related keywords can be found under Grapevine.
The glossary is a monumental achievement and one of the most important contributions to wine knowledge. Of all the encyclopaedias I use on the subject of wine, it is by far the most important. That was the case ten years ago and it hasn't changed since.Andreas Essl