Stephen was the son of György Báthory (from the Ecsed branch of the family), and his distant relative, Anna Báthory (from the Somlyó branch).[1][2] He was born in 1555.[1] His younger sister was the infamous Elizabeth Báthory.
Horn, Ildikó (2002). Báthory András [Andrew Báthory] (in Hungarian). Új Mandátum. ISBN963-9336-51-3.
Markó, László (2000). A magyar állam főméltóságai Szent Istvántól napjainkig: Életrajzi Lexikon [Great Officers of State in Hungary from King Saint Stephen to Our Days: A Biographical Encyclopedia] (in Hungarian). Magyar Könyvklub. ISBN963-547-085-1.