Derfel, known as Derfel Gadarn (cadarn: "mighty, valiant, strong") was a 6th-century British Christian monk, regarded as a saint.
Saint Petersburg | Saint Peter | Saint-Cloud | Saint Joseph | Saint George | Saint | Yves Saint Laurent | Saint-Omer | Saint-Denis | Saint John, New Brunswick | Camille Saint-Saëns | Saint-Germain-en-Laye | saint | Saint Thomas, U.S. Virgin Islands | Saint Louis University | Order of Saint Benedict | Saint Petersburg State University | Saint Paul | Saint Nicholas | The Saint | Saint John | Saint-Étienne | Saint Louis | Saint Lucia | Saint Patrick | Saint-Lô | Saint Lawrence River | Yves Saint Laurent (brand) | Saint-Ouen, Seine-Saint-Denis | Saint-Ouen |