Janez IsteničJanez Istenič is a Slovenian winemaker and former footballer.Early lifeIstenič was born in 1940 in Ljubljana, Slovenia. He was regarded as a Slovenia goalkeeper prospect.International careerIstenič represented Yugoslavia internationally at youth level.Post-playing careerIstenič has been regarded as the first producer of sparkling wine in Slovenia.Personal lifeIstenič's father was a train driver.