Étienne de Poncher was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 prelate

Prelate

A prelate is a high-ranking member of the clergy who is an ordinary or who ranks in precedence with ordinaries. The word derives from the Latin prælatus, the past participle of præferre, which means "carry before", "be set above or over" or "prefer"; hence, a prelate is one set over others.-Related...

 and diplomat

Diplomat

A diplomat is a person appointed by a state to conduct diplomacy with another state or international organization. The main functions of diplomats revolve around the representation and protection of the interests and nationals of the sending state, as well as the promotion of information and...

. After studying law he was early provided with a prebend, and became councillor at the parlement

Parlement

Parlements were regional legislative bodies in Ancien Régime France.The political institutions of the Parlement in Ancien Régime France developed out of the previous council of the king, the Conseil du roi or curia regis, and consequently had ancient and customary rights of consultation and...

 of Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 in 1485 and president of the Chambre des Enquêtes in 1498.

Elected bishop of Paris in 1503 at the instance of Louis XII

Louis XII of France

Louis proved to be a popular king. At the end of his reign the crown deficit was no greater than it had been when he succeeded Charles VIII in 1498, despite several expensive military campaigns in Italy. His fiscal reforms of 1504 and 1508 tightened and improved procedures for the collection of taxes...

, he was entrusted by the king with diplomatic missions in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 and Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. After being appointed chancellor of the Duchy of Milan

Duchy of Milan

The Duchy of Milan , was created on the 1st of may 1395, when Gian Galeazzo Visconti, Lord of Milan, purchased a diploma for 100,000 Florins from King Wenceslaus. It was this diploma that installed, Gian Galeazzo as Duke of Milan and Count of Pavia...

, he became Keeper of the seals

Keeper of the seals

The title Keeper of the Seals or equivalent is used in several contexts, denoting the person entitled to keep and authorize use of the Great Seal of a given country. The title may or may not be linked to a particular cabinet or ministerial office.- Canada :...

 of France in 1512, and retained that post, until the accession of Francis I

Francis I of France

Francis I was King of France from 1515 until his death. During his reign, huge cultural changes took place in France and he has been called France's original Renaissance monarch...

, who employed him on various diplomatic missions.

Poncher became archbishop of Sens in 1519. His Constitutions synodales was published in 1514.