In his book The Millennium of Hieronymus Bosch, Fränger wrote that Bosch was a member of the heretical sect known as the Adamites—who were also known as the Homines intelligentia and Brethren and Sisters of the Free Spirit.
Στο βιβλίο του The Millennium of Hieronymus Bosch ο Φρένγκερ έγραψε ότι ο Μπος ήταν μέλος μιας αιρετικής σέχτας, γνωστής ως "Αδαμίτες", γνωστής επίσης και ως Homines intelligentia και Brethren of the Free Spirit (Αδελφότητα του Ελεύθερου Πνεύματος).