Jean Brouillot, or Bruillot, Brulloti, was a priest of the diocese of Bayeux, master of arts and licentiate in law in 1403; he is referred to in 1408 as procureur of the University of Paris.

In 14io Brouillot was sent, with Pierre Cauchon, in an embassy to the duc de Berry to seek for peace; in May, 1411, to the Duke of Burgundy to get his support of Jean Richard, the abbot of Saint Ouen whom Jean XXIII disappointed.

In 1418 Bruillot is described as councilor of Parlement in the Chambre des Enquêtes, and cure of Saint Nicolas de Tailles in the diocese of Rouen.

He received the chantry of Rouen in 1422, vacant during the absence of Jean de Noris, who remained loyal to the French. He was sent as a deputy at various times to the Estates of Normandy, was vicar-general of the archbishopric, and was certainly very agreeable to the Duke of Bedford, since he was among those named by the Chapter to explain to the regent the reasons for not sacrificing the interests of the church of Rouen to those of the Carmelites.

Bruillot died about the 20th of December, 1435, leaving Nicolas de Venderès for executor of his will.

Jean Bruillot's opinion concerning Jeanne tallied completely with that of the masters of theology.