 He filled many influential positions, and took an active part in the public life of his native city.Subsequently to the year 1268, he is mentioned repeatedly in documents as "Magister Godefridus clericus Coloniensis", "Notarius civitatis Coloniensis", pastor (plebanus) of St. Martin the Lesser at Cologne, and dean of the chapter of St. George.He gives his name with the title town-clerk ("der stede schriver") at the end of his "Book of the City of Cologne" ("Dit is dat boich van der stede Colne").