DUCHESNE (Latinized DUCHENIUS, QUERNEUS, or QUER CETANUS), ANDRE (1 584-164o), French geographer and histo rian, generally styled the father of French history. Through the influence of Richelieu, he was appointed historiographer and geog rapher to the king. He died in Paris on May 3o, 164o. Duchesne left behind him more than Too folio volumes of manuscript extracts now preserved in the Bibliotheque Nationale (L. Delisle, Le Cabi net des inanuscrits de la bibliotheque imperiale, t. L, Several of his larger works were continued by his only son Fran cois du Chesne (1616-93), who succeeded him in the office of his toriographer to the king. The principal works of Andre Duchesne are Historiae Normannorum scriptores antiqui (1619, now the only source for some of the texts), and his Historiae Francorum scriptores (5 vols. 1636-49). This last was intended to comprise 24 volumes, and to contain all the narrative sources for French his tory in the middle ages ; only two volumes were published by the author, his son Francois published three more, and the work re mained unfinished. Duchesne's other works include Les antiquites . . . des rois de France (1609) ; Les antiquites . . . de toute la France (1609); Histoires des Papes jusqu'a Paul V. (1619) .