Robert Jean Antoine de Franquetot de Coigny
His estate at Coigny was raised to a comté by King Louis XIV as a mark of his father's service. The Comte de Coigny entered the Musketeers in 1667. He was appointed Governor of Caen in 1680. He became Lieutenant-General of Louis XIV's armies in 1693, and Director-General of Cavalry in 1694. He died at Kœnigsmacker, Alsace, in August 1704.
He was buried in the church of Coigny.
Robert Jean Antoine had married Marie-Françoise de Matignon (August 3, 1648 – October 11, 1719) on October 5, 1668. They had 3 children: François, Henri and Madeleine. He was succeeded as Comte de Coigny by his son François de Franquetot de Coigny (1670–1759) who became Marshal of France.
- Dynastie de Franquetot (archive) (in French)
- Papers of the de Franquetot Family
- Nicolas Viton de Saint-Allais: Nobiliaire universel de France ou Recueil général des généalogies historiques des maisons nobles de ce royaume, v. 10, p29-32. Published by au bureau du Nobiliaire universel de France, 1817. 
- Eglise de Coigny (archive) (in French)