Périgord

The counts of Perigord, seated at Perigueux, traced their title to 845, when King Pepin I of Aquitaine made Emenon its count. The House of Charroux, later called Talleyrand, took the county in 975 under Boso the Elder, who also held neighbouring La Marche. Through the eleventh and twelfth centuries the house alternately held and divided Perigord and La Marche.

Helie de Talleyrand-Perigord, born at Perigueux in 1301, became a leading cardinal of the Avignon papacy, as Cardinal-Bishop of Albano and dean of the Sacred College, and negotiated between the French and English crowns in the early Hundred Years' War before his death in 1364.

Back in Perigord, Count Archambaud V was deposed in 1398 and his son Archambaud VI in 1399, and in 1400 the crown regranted it to Louis I of Orleans, ending over four centuries of the house's rule. The Talleyrand-Perigord branch kept the name, its head created Duke of Perigord in 1816.