Original: Within months the three were allowed to return to the city, but Beham was exiled again in 1528 for publishing a book on the proportions of the horse regarded as plagiarised from an unpublished manuscript by Albrecht Dürer, who had recently died.
Simplified: They came back to the city in 3 months, but Beham was banished again in 1528 for publishing a book which was plagiarised from an unpublished manuscript by Albrecht Dürer.