Dictionary.net

• Son of Jules S.; born at Rennes, 1848. He is author of "Henri IV. and Marie de' Medici" (1877); "Critical Studies on the Reign of Louis XIII". (2 vols., 1879-80); "Marie de' Medici and Villeroy" (1897).

1910 - Warner's dictionary of authors ancient and modern
By Charles Dudley Warner