Jean Guyon

[2] 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.

[2] 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.

[3][4] 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 Percheron immigration movement, a pioneering group of about 300 colonists who settled in Canada in the three decades starting in 1632.

[6] 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 (subordinated-fief) land concession from Giffard.

[13] The PRDH program enabled neurological researchers to trace 40 cases of classical Friedreich's ataxia, a rare inherited disease, across 12 generations of previously thought unrelated French-Canadians descendants to one common ancestral couple: Guyon and his wife Mathurine Robin.