Proper noun
Guyon (plural Guyons)
A surname from French.
Cadillac's wife, Marie Thérèse Guyon, soon moved to Detroit, becoming one of the first European women to settle in the Michigan wilderness. Source: Internet
Doctor Guyon, who examined the bodies shortly afterwards, found forty balls in the body of Clément-Thomas and nine balls in the back of Lecomte. Source: Internet