Johann Friedrich Thyssen (1 October 1804 in Aachen – 25 May 1877 in Eschweiler) was a German banker and patriarch of the Thyssen family dynasty.
Family
He was the son of Nikolaus Thyssen and wife Christine Nellessen. His family had settled in rural Aachen in the 18th century. He married in Aachen on 1 October 1838 his cousin Katharina Thyssen.
Career
He was the initiator of the Thyssen fortune and the father of August Thyssen and Joseph Thyssen, both of whom joined his bank.