The famous sports family Kačar is from Jezero, born in the settlement Perućica, and lived in Jezera until 1972.

Tadija Kačar (1956), master of sports and physical culture, winner of silver medals in boxing at the Olympic Games in Montreal in 1976, as well as at the World Championships in 1978 in Belgrade and the European Championships in 1979 in Cologne and 1974 in Kiev. Gold medals: Mediterranean Games Split 1979, Balkan Championship 1977, 1981 and national championships of the former Yugoslavia.

Slobodan Kačar (1957, professor of physical culture, Olympic champion 1980. Moscow, bronze medalists from the World Championships, Belgrade 1978. Mediterranean and Balkan shampoo, winner of the title of professional world boxing champion 1985. Pesaro, Italy.

Nenad Kačar (1982, son of Tadija Kačar), graduated from the Faculty of Technical Sciences in Novi Sad, water polo player, with the team of VK Bečej won the title of club champion of Europe in 2000, and currently plays in Italy

Gojko Kačar (1987, son of the third of the Sreta brothers), FTN student, football player, played for FC Vojvodina Novi Sad, FC Hertha Berlin, HSF Hamburg, and with the Serbian national team in 2007, he won second place at the European Championship.