Ilona was born on August 11th, 1775 in Jászárokszállás.1 Ilona's father was Bobák Mihály and her mother was Bohák Ilona. Her paternal grandparents were Bobák Mihály and Faragó Ilona; her maternal grandfather was Bohák Pál and her maternal grandmother is <Unknown>. She had two brothers and a sister, named Ferenc, András and Apollónia. She was the youngest of the four children.