Kellermann, François Christophe, Duke of Valmy, French general born in Alsace, son of a peasant; entered the army at 17; served in the Seven Years' War; embraced the Revolution; defeated the Duke of Brunswick at Valmy in 1792; served under Napoleon as commander of the reserves on the Rhine, but supported the Bourbons at the Restoration (1735-1820).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Keller, Gottfried * Kells