Marquesses of Du Quesne Marqueses de Du Quesne Records #4 Holders Family filter On/Off 5 Pedro Du-Quesne y Roustán de Estrada, 5th marquess of Du Quesne 6 Francisco Du-Quesne y Arango, 6th marquess of Du Quesne * 1853 7 Pedro Du-Quesne y Montalvo, 7th marquess of Du Quesne * 1880 9 María Antonia du Quesne y Goicoechea, 9ª marquise of Du Quesne Corrections and Updates To suggest a correction or an update. Click Here