Ilona was the daughter of László Thoroczkay de Toroczkószentgyörgy and Zsófia Sombori de Magyarnagyzsombor. The date and place of her birth have not been found.
Ilona Thoroczkay de Toroczkószentgyörgy
László Thoroczkay de Toroczkószentgyörgy
Mihály Thoroczkay de Toroczkószentgyörgy
Zsófia Sombori de Magyarnagyzsombor