 After a time of need and trials Gudenus was named high bailiff at Treffurt, a position which he held until his death.His funeral panegyric was delivered by Herwig Boning, representative of the Archbishop of Mainz in the district of Eichsfeld and parish priest of Duderstadt.Boning included the panegyric in his edition of the works of Gudenus, which comprised a treatise on the Eucharist and two letters on the history of his conversion, one addressed to the Jesuits of Heiligenstadt, the other to his brother-in-law, Dr. Paul Stein