Katalin was born on July 26th, 1955 in Csepel. Katalin's father was Péter Molnár and her mother was Rozália Barát (Geréb). Her paternal grandparents were <Unknown> and Ilona Molnár; her maternal grandparents were Barát and Rozália Szilágyi. She has a brother named Péter. She is the older of the two children.