Nato Vachnadze has had three marriages and retained her surname from her first marriage to Merab Vachnadze, father of her first-born son, Tengiz Vachnadze.
Her third marriage was with the Soviet navy captain Anatoli Kacharava (19101982). She adopted her last name from her first marriage to Merab Vachnadze, with whom she had a son, Tengiz Vachnadze (born 1926), the future architect. 
