Sometimes beautiful things are born in unexpected situations: this can apply to Umberto Notarnicola and Bruno Violo, two men who, despite their origins being traditionally tied to regions of great red wines, were able to create one of the most important private wine company in the province of Rome, starting from Frascati, the historical white wine of the Roman Castles area. Their passion for wine and the charming territory of the Roman Castles has induced them to go beyond their Piedmontese (Bruno) and Apulian (Umberto) origins, with the creation, in 1972, of a winery on the hill of San Marco, which gave the name to the company. The innovative challenge undertaken by Umberto and Bruno of founding a wine company which would mainly produce Frascati, the wine of the zone par excellence, aiming however for a high quality product, has appeared to be a winning choice. Umberto and Bruno’s important job and dedication today, over 30 years after the foundation, is matched by that of their sons who are working side by side with them: Danilo Notarnicola and Pietro Violo. Thanks to them the road to innovation, already undertaken by their fathers, has been taken further, introducing new grape varieties and, at the same time, bringing out the most important native varieties of Lazio.