François de Franquetot de Coigny was a Marshal of France, Count, and from 1747, the Duke of Coigny.
He was born in the Coigny château near Coutances, Normandy as son of Robert-Jean de Coigny, and Marie-Françoise de Matignon. Wikipedia
Born: March 16, 1670, Coigny, Montsenelle, France
Died: December 18, 1759 (age 89 years), Paris, France
Grandchildren: Marie François Henri de Franquetot, Duc de Coigny and Henriette Bibiane Colbert
Great grandchild: Amador François Charles de La Porte de Riantz, Vicomte de La Porte
Children: Bibiane de Franquetot
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