Gustav von Franck died suddenly and unexpectedly on 8 January 1860; however, not by suicide as is reported in several literature lexicons, but from a physiological complaint.
Am 8. Januar 1860 verstarb Gustav von Franck plötzlich und unerwartet, jedoch nicht, wie in einigen Literaturlexika verzeichnet, durch Selbstmord, sondern an einer organischen Krankheit.