Robert Guiscard Duke of Apulia and Calabria (1016–1085) Parents Fressenda of Hauteville Tancred of Hauteville Children Guy of Hauteville Emma of Hauteville Olympias Bohemond I of Antioch Matilde d'Altavilla Sibylle de Hauteville Robert Scalio Héria de Hauteville Roger Borsa Mabille de Hauteville Siblings Serlo I of Hauteville Geoffrey of Hauteville Humphrey of Hauteville William of the Principate Drogo of Hauteville William Iron Arm Humbert de Hauteville Mauger of Hauteville Roger I of Sicily Fredesenda de Hauteville Béatrice de Hauteville Partners Alberada of Buonalbergo Sikelgaita
