 Haniel and his brothers also purchased the "Gute Hoffnung" works from her brother-in-law Heinrich Arnold Huyssen and founded the Gutehoffnungshütte conglomerate.Thorn Abbey was mediatised in 1795; Essen in 1802.After this, Maria Kunigunde continued to live in the company of her brother Wenceslas, mostly in Oberdorf in Bavaria.