Sikelgaita Lombard princess (1040–1090) Parents Gemma of Capua Porpora de Tabellaria Guaimar IV of Salerno Children Mabille de Hauteville Olympias Guy of Hauteville Roger Borsa Constance of Sicily Héria de Hauteville Robert Scalio Sibylle de Hauteville Matilde d'Altavilla Siblings Gaitelgrima, daughter of Guaimar IV Sergius IV of Naples Gisulf II of Salerno Gaitelgrima von Salerno und Sarno Partners Robert Guiscard