Possible Relationships
Ferdinand Regner has proposed that Pinot Meunier (Schwarzriesling) is a parent of Pinot noir but this work has not been replicated and would appear to be superseded by the Australian work.
The Wrotham (pronounced "rootum") Pinot is an English selection of Pinot that is sometimes regarded as a synonym of Pinot Meunier. The Wrotham Pinot does look somewhat similar to Meunier, with white hairs on the upper surface of the leaves. But it is particularly resistant to disease, has a higher natural sugar content and ripens two weeks earlier than Meunier. No genetic evidence exists however to prove it is anything other than a distinctively named clone of Pinot Meunier.
Read more about this topic: Pinot Meunier