Mária was born in November 1877 in Budapest and her baptism took place there on November 10th, 1877.1 Mária's father was Lajos Peterdy and her mother was Karla Matasics. Her paternal grandparents were Dr Gábor Peterdy and Paula Khol-Babocsay. She had a brother named Gábor. She was the younger of the two children. She died at the age of 3 in 1880 in Fiume.