Geoffrey of Trani (? in Trano,

Apulia Apulia ( ), also known by its Italian language, Italian name Puglia (), is a Regions of Italy, region of Italy, located in the Southern Italy, southern peninsular section of the country, bordering the Adriatic Sea to the east, the Strait of Ot ...

– 1245) was an Italian jurist, known as a

canon lawyer Canon law (from , , a 'straight measuring rod, ruler') is a set of ordinances and regulations made by ecclesiastical jurisdiction, ecclesiastical authority (church leadership) for the government of a Christian organization or church and its membe ...

. He was a student at

Bologna Bologna ( , , ; ; ) is the capital and largest city of the Emilia-Romagna region in northern Italy. It is the List of cities in Italy, seventh most populous city in Italy, with about 400,000 inhabitants and 150 different nationalities. Its M ...

of Azo before becoming a professor at Naples, then at Bologna. He was made a

cardinal deacon A cardinal is a senior member of the clergy of the Catholic Church. As titular members of the clergy of the Diocese of Rome, they serve as advisors to the pope, who is the bishop of Rome and the visible head of the worldwide Catholic Church. C ...

Pope Innocent IV Pope Innocent IV (; – 7 December 1254), born Sinibaldo Fieschi, was head of the Catholic Church and ruler of the Papal States from 25 June 1243 to his death in 1254. Fieschi was born in Genoa and studied at the universities of Parma and Bolo ...

. His ''Summa super titulis decretalium'' and other writings on

decretal Decretals () are letters of a pope that formulate decisions in canon law (Catholic Church), ecclesiastical law of the Catholic Church.McGurk. ''Dictionary of Medieval Terms''. p. 10 They are generally given in answer to consultations but are some ...

s became a basic resource for canon law.Reprint of a 1519 Lyon edition by Aalen 1968, 1992.

Notes

1245 deaths 13th-century Italian jurists Canon law jurists Economic history of the Holy See Year of birth unknown 13th-century writers in Latin {{Italy-law-bio-stub