In 1678, Johann Ferdinand married Countess Anna Maria of Herberstein (1660–1726). They had a daughter, Maria Theresa of Auersperg (1686–1756), who married Count Georg Siegmund of Auersperg-Kirchberg.
Johann Ferdinand died in 1705. As he had no sons, he was succeeded by his brother Franz Karl of Auersperg.
^Herbert Schmidt: Der Silbererzbergbau in der Grafschaft Glatz und im Fürstentum Münsterberg-Oels. Von den mittelalterlichen Anfängen bis zum Niedergang, Tectum-Verlag, Marburg 2003, ISBN3-8288-8500-4, p. 18.
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