Báthory was engaged at age 10 to Count Ferenc Nádasdy, member of Nadasdy family. He was the son of Baron Tamás Nádasdy de Nádasd et Fogarasföld and Orsolya Kanizsai. in what was probably a political arrangement within the circles of the aristocracy. As Elizabeth's social standing was higher than that of her husband, she refused to change her last name, and instead, Nádasdy assumed the surname Báthory. The couple married when she was 15 (and he was aged 19) at the palace of Vranov nad Topľou (Varannó in Hungarian) on 8 May 1575. Approximately 4,500 guests were invited to the wedding.