Benedictine scholar, born Saint-Pierremont, 1632; died Paris, France, 1707.
Entering the Maurist Congregation, 1627, he was sent to Saint-Germain-des- Pres, 1664, remaining there until death.
He assisted d'Achery in preparing material for the "" () and published the first three volumes, 1668-1672.
"," confuting the attack of Papebroch upon certain charters in the Abbey of Saint Denis, was the foundation of the science of diplomatics and established him as an authority.
His controversy with De Rance regarding the lawful occupation of monks, 1691-1692, is famous.
He was a member of the Academie Royale des Inscriptions.
New Catholic Dictionary