Marquesses of Courcy Marquis de Courcy Records #3 Holders Family filter On/Off 7 Serge Roussel, 7e marquis of Courcy * 1866 Aimery Serge Marie Robert Roussel, marquis of Courcy * 1924 François Hardouin d' Oilliamson, marquis of Courcy * 1704 Corrections and Updates To suggest a correction or an update. Click Here