Valéria, known as Valcsi, was born in 1945. Valcsi's father was Kósa Sándor and her mother was Nuofer Valéria. Her maternal grandparents were Nuofer Sándor and Schork Katalin. She had a brother, and also a sibling of unknown gender named Bálint and Bálint. She is the second oldest of the three children.