Pierre du Cambout de Coislin (1637–1706) was a French prelate. He was a grandson of Pierre Séguier

Pierre Séguier

-Early years:Born in Paris, France of a prominent legal family originating in Quercy. His grandfather, Pierre Séguier , was président à mortier in the parlement of Paris from 1554 to 1576, and the chancellor's father, Jean Séguier, a seigneur d'Autry, was civil lieutenant of Paris at the time of...

 and held many important benefices - abbot of Jumièges, in 1641, of Saint-Victor, in 1643, canon of Paris, and first king's almoner in 1663. He was finally Grand Almoner of France

Grand Almoner of France

The Grand Almoner of France was an officer of the French monarchy and a member of the Maison du Roi during the Ancien Régime...

 and bishop of Orléans from 1665 to 1706, as well as (in a surprise appointment) being made cardinal priest of Trinità dei Monti

Trinità dei Monti

The church of the Santissima Trinità dei Monti is a late Renaissance titular church in Rome, central Italy. It is best known for its commanding position above the Spanish Steps which lead down to the Piazza di Spagna...

.

Dangeau reported:
Saint-Simon

Louis de Rouvroy, duc de Saint-Simon

Louis de Rouvroy commonly known as Saint-Simon was a French soldier, diplomatist and writer of memoirs, was born in Paris...

 wrote of him:
One of his successors removed the epitaph from the cardinal's tomb "since people were going there to pray to God, as at a saint's tomb". His nephew Henri Charles du Cambout de Coislin

Henri Charles du Cambout de Coislin

Henri-Charles du Camboust was a French prelate. He was bishop of Metz from 1697 to 1732, and duc de Coislin from 1710.-Life:...

was also a bishop.

Source

• Micheline Cuénin, Un familier de Louis XIV. Le cardinal de Coislin, Grand aumônier de France, évêque d'Orléans, Orléans, 2007 (283 pages).