In the 1080s, French knights rode south across the Pyrenees to fight in the Reconquista. Among them was Raymond of Burgundy, a younger son of Count William I of Burgundy, who arrived around 1086 with the army of Duke Odo I. King Alfonso VI of León and Castile — whose wife Constance of Burgundy was niece to Abbot Hugh of Cluny — rewarded Raymond with the hand of his daughter Urraca and governance of the entire Kingdom of Galicia. From approximately 1090 until his death in 1107, a French Burgundian nobleman ruled the land where Castrelo de Miño, Cartelle, and Ribadavia stand.

Raymond's cousin Henry of Burgundy received the County of Portugal from Alfonso VI around 1095. Henry's son, Afonso Henriques, would become the first King of Portugal — meaning the founding dynasty of Portugal was of French Burgundian origin, born directly from the governance of Galicia. Raymond's own brother, Guido of Burgundy, became Pope Callixtus II in 1119, elevating Santiago de Compostela to an archdiocese and making the Jubilee Year pilgrimage official. In a single generation, the House of Burgundy reshaped the politics, religion, and destiny of Galicia and the entire Iberian Peninsula.

The Camino de Santiago — the great pilgrimage to the tomb of the Apostle Saint James — was above all a French enterprise. The Camino Francés (French Way), entering Spain at Roncesvalles and Somport, was the main artery. But the Vía de la Plata, following the ancient Roman road from the south, passed directly through the Ribeiro — through Ourense, Ribadavia, and onward to Santiago — carrying pilgrims through the heart of the wine country. The pilgrimage brought continental innovations to Galicia: Romanesque art, new agricultural techniques, and urban models that transformed the landscape.

The most important literary monument of this French connection is the Codex Calixtinus, compiled around 1138–1145 and nominally attributed to Pope Callixtus II — Raymond of Burgundy's brother. Scholars believe it was primarily arranged by the French cleric Aymeric Picaud, who journeyed to Santiago and produced what is essentially Europe's first travel guide. Book V describes the French routes in extraordinary detail, recording the customs, rivers, and peoples encountered along the way. The Rua do Franco in Santiago de Compostela — the old town's most famous street — is named for the French merchants who settled there to serve the pilgrims.

In the heart of the Ribeiro wine region, on the banks of the Avia river near Ribadavia, stands the Monastery of San Clodio in Leiro. Founded as a Benedictine community in the 10th century, San Clodio joined the Cistercian Order around 1225, affiliating with the Monastery of Melón. From that moment, the monastery became the principal religious, intellectual, and agricultural centre of the Ribeiro. Its monks recovered native grape varieties, expanded vineyard cultivation along the Avia valley, and perfected winemaking techniques inherited from the Burgundian Cistercian tradition.

Wine production gave San Clodio times of great prosperity, peaking between the 12th and 13th centuries. The monastery's abbot Pelagio González documented "the great work for the vineyard reintroduction" and "the excellent quality of the wines that reached the rest of Europe through local merchants." The wines of the Ribeiro were exported to England, France, the Low Countries, Italy, and Germany. The monastery housed a Holy Relic — said to be a splinter of the True Cross — that was venerated specifically to protect the vineyards from hailstorms. Today the monastery is a national monument, its medieval bridge over the Avia a symbol of the deep bond between French monasticism and Galician wine.

The French chapter in Galician history lasted barely two centuries, but its imprint endures in the stone, the vine, and the very structure of daily life. The Romanesque architecture that defines Galicia's rural churches — including the 12th-century apse of Santa María in Castrelo de Miño — arrived through French channels. The Cistercian monasteries of Oseira, Melón, and San Clodio transformed the Ribeiro from scattered vineyards into one of Europe's most celebrated wine regions, whose wines reached English, Flemish, and German tables. The liturgy shifted from Mozarabic to Roman; the script from Visigothic to Carolingian; the urban pattern from walled castro to open burgo.

Most enduringly, the Burgundian dynasty that began with Raymond of Burgundy ruling Galicia produced the royal houses of León-Castile and Portugal. The founding king of Portugal was the grandson of a Burgundian knight who came to fight in the Reconquista and stayed to govern Galicia. For the families of Castrelo de Miño, Cartelle, and Ribadavia, the French legacy is not a distant abstraction — it is in the wine they press, the churches where they worship, the roads they walk, and the parish boundaries that have scarcely changed since the monks of Cluny first looked upon the green hills of the Ribeiro.