Serlo I of Hauteville Norman soldier (1050–1100) Parents Miruel of Hauteville Tancred of Hauteville Children Serlo II of Hauteville Siblings Mauger of Hauteville William Iron Arm Robert Guiscard Humphrey of Hauteville Drogo of Hauteville Roger I of Sicily William of the Principate Geoffrey of Hauteville Béatrice de Hauteville Fredesenda de Hauteville Humbert de Hauteville