Robert Mondavi, 92, and his brother Peter, 90, have surprised wine lovers by announcing their first collaboration in 40 years.

After four decades of a family feud which split one of America’s pioneering wine families and led to the creation of two Napa dynasties, the two veterans and their sons are to jointly produce a barrel of wine and bottle the resulting 60 magnums for sale at next summer’s Napa Valley Auction.

According to Peter Mondavi Jr, who will be making the wine with his cousin Tim Mondavi, former winemaker and board member at Robert Mondavi Winery, the rift between his father and uncle had closed over the years.

The venture between the two families is meant to show family solidarity after his uncle Robert Mondavi’s reversal of fortune. When asked if there would be future collaborations, he said, ‘We’re taking it one step at a time’ adding, ‘Stay tuned.’

The feud began when the two brothers disagreed over the running of the Charles Krug winery, bought by their father in 1943. In 1965, after a fist fight that he describes in his autobiography, Robert left Krug to found the Robert Mondavi Winery in 1966, which he built to a multinational, quoted company, along with sons Michael and Tim.

While Robert continues as Chairman Emeritus after the sale to Constellation, both sons have cut ties with the company.

Peter Mondavi and his sons Peter and Marc have built Charles Krug into a company with over 350ha of vineyards, making it one of the largest landowners in Napa. Entirely family owned, Krug just completed a US$20m renovation.

Written by Kerin O’Keefe

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Kerin O'Keefe
Decanter Magazine, Wine Writer & Italian Expert

Kerin O’Keefe is a wine writer, critic and public speaker, specialising in Italian wine. She is the Italian editor for Wine Enthusiast magazine and has also appeared in Decanter, Wine News and World of Fine Wine. As an author, she has written Franco Biondi Santi: The Gentleman of Brunello, Brunello di Montalcino: Understanding and Appreciating One of Italy's Greatest Wines. Most recently, she wrote Barolo and Barbaresco: The King and Queen of Italian Wine (2014).