Ilona was born on August 10th, 1930 in Sáp.1 Ilona's father was Zsigmond Körtvélyesi and her mother was Gizella Nagy. Her paternal grandparents were József Körtvélyesi and Erzsébet Baka. She had a sister named Gizella. She was the younger of the two children. She died at just 23 days old on September 2nd, 1930 in Sáp.1