Guillaume du Vair (7 March 1556 – 3 August 1621) was a French bishop, author, lawyer, Magistrate of the Parliament and Keeper of the Seals of France under French king Louis XIII.
Guillaume Fillastre or Fillâtre was a Burgundian statesman, prelate and patron of arts. He served as a counsellor to Duke Philip the Good and was successively bishop of Verdun (1437–1448), bishop of Toul (1448–1460) and bishop of Tournai (1460–1473). He was also the abbot of Saint-Bertin from 1451 until his death.
Guillem de Cabestany was a Catalan troubadour from Cabestany in the County of Roussillon. He is often known by his Old Occitan name, Guilhem de Cabestaing, Cabestang, Cabestan, or Cabestanh.
Guillén de Castro y Mateo was a Spanish dramatist of the Spanish Golden Age. He was distinguished member of the "Nocturnos", a Spanish version of the "Academies" in Italy.