Jean Guyondu Buisson was the patriarch of one of the earliest families to settle on the North shore of New France's St. Lawrence River. Guyon made his living as a master mason and, according to Perche-born genealogist Madame Montagne, was regarded as having an excellent reputation as a mason. In 1615, he helped construct the Saint-Aubin de Tourouvre church steeple's interior stone staircase and in 1625 he was charged with the re-building of Mortagne's fortifications.
Guyon was from the village of Tourouvre's Saint-Aubin parish located in Chartres diocese, ancient Perche province, and present-day Normandy's Orne department. Guyon and his family emigrated from Perche province to New France on the North shore of the Saint Lawrence River near present-day Quebec city as part of the , a pioneering group of about 300 colonists who settled in Canada in the three decades starting in 1632. Robert Giffard de Moncel was granted by the Company of Hundred Associates the Beauport seigneurie, one of the New France's first seigneuries, Beauport now being a borough of Quebec City. The Beauport seigneurie was to be the first agriculturally-based settlement requiring the recruitment of tradesmen such as Guyon to establish the new colony. At the end of a three-year service contact taking effect on arrival in Canada, Guyon was in turn granted a one-thousand-arpent arrière-fief land concession from Giffard. Guyon traveled aboard a convoy of four ships under the command of Charles Duplessis-Bochart and arrived in New France in 1634. As Guyon's arrière-fief was located near rivière du Buisson, Guyon exercised his seigniorial system right to be known as Guyon du Buisson. He built a small mill and helped build the parish church of nearby Quebec and Giffard's seigniorial manor. For nine years, he and Zacharie Cloutier disputed Giffard's seigniorial rights to receive foi et hommage. Refusing to accept him as their superior, they did not stake their lands or pay him annual taxes. On July 19, 1646, the governor of the colony took action to force Cloutier and Guyon to comply with their contractual obligations. Such cases of censitaire refractoriness filled the time of the courts for the duration of the seigniorial system, both during the French regime and under the English. His eldest son, also named Jean Guyon, married Élisabeth Couillard, daughter of :fr:Guillaume Couillard, New France's first settler to be ennobled by Louis XIV, and granddaughter of Louis Hébert, the first French colonist established with his family in New France. Their wedding was accompanied by the "two violins...which had not been seen yet in Canada." After his death in 1693, his heirs engaged in a protracted legal dispute over his lands.
Descendants
Guyon fathered ten children, eight of whom married, and he is known to be an ancestor of many French Canadians. By 2006, news media noted that at least three out of four Québécois descend from him. The descendants are often recognized as Dion, sometimes as Despres, Dumontier, Lemoine, in Louisiana as Derbanne and Texas as Berban. He has been linked to the family trees of Madonna, Celine Dion, Stéphane Dion, Hillary Clinton, Camilla, Duchess of Cornwall, and Heather Baucom Lucy. According to Charbonneau et al. 1993,more than 2,150 births of Guyon descendants had by 1730 been recorded. According to the Université de Montréal's Research Program in Historical Demography, Guyon had by the end of the 19th century 9,674 married descendants, and thus ranked second among top New France pioneers in terms of number of married descendants. The PRDH program enabled neurological researchers to trace 40 cases of classical Friedreich's ataxia, a rare inherited disease, across 12 generations previously unrelated French-Canadians descendants to one common ancestral couple: Guyon and his wife Mathurine Robin. The disease causes progressive damage to the nervous system resulting in symptoms ranging from gait disturbance and speech problems to heart disease. The finding allows for gene chromosomal localization studies that had previously been judged to be almost impossible in rare autosomal recessive disorders.
Toponymy and memorials
In 1984, the 350th anniversary of Guyon's arrival, Quebec City named a park after him and a commemorative plaque to honour Guyon was mounted on the church in Beauport by the Association des Dion d'Amérique inc. In 2006, the city renamed a street after him.
