Juliska was born in 1894. Juliska's father was Imre Ujváry and her mother was Matild Kovács. Her paternal grandparents were Mátyás Ujváry and Irma Kováts. She had a brother and two sisters, named István, Mária and Jolán. She was the oldest of the four children. She had a half-brother and three half-sisters, named Lajos, Irén, Ilona and Ida. She died at the age of 89 in 1983.