Joannes Andreae Directory References Discover What Is the Emoluments Clause? 7 of the World’s Deadliest Plants Falling Stars: 10 of the Most Famous Endangered Species Poker Hands Ranked 7 Everyday English Idioms and Where They Come From 7 Deadliest Weapons in History 7 of History's Most Notorious Serial Killers Contents Joannes Andreae canonist Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:authorship of decretals In decretal…IX at Gregory’s direction; and Joannes Andreae (d. 1348), a married lay professor of the decretals at the University of Bologna, who is regarded as the father of the history of canon law.Read More