Mária was born on September 3rd, 1904 in Ózd.1 Mária's father was János Körtvély and her mother was Mária Demeter. Her paternal grandparents were Albert Körtve and Terézia Vitko. She had a brother named Pál. She was the younger of the two children. She had a half-brother named László. She died at the age of 1 on May 5th, 1906 in Ózd.1