This novel was also adapted as a movie in 1965, having the same title (A kőszívű ember fiai) as the novel, and including the Battle of Isaszeg as one of its most important scenes.
Acest roman a fost, de asemenea, adaptat în 1965 într-un film, având același titlu (A kőszívű ember fiai) cu romanul și incluzând Bătălia de la Isaszeg ca una dintre cele mai importante scene ale sale.