Dudone di San Quintino, 1995 p. 7, etc. (Dudo of St. Quentin; Dudon de Saint-Quentin; Dudos von St-Quentin)
Enc. Brit. 15th ed. (Dudo of Saint-Quentin; also spelled Dudon; b.c. 960 in Vermandois, Picardy, France; d. before 1043 in Rouen, Normandy; historian of the first dukes of Normandy; canon of Saint-Quentin)