Overview
Fressenda (also Fredesenda, Fredisenda and Fredescende, Fresendis in Medieval Latin) was a Norman noblewoman. She was the wife of Tancred de Hauteville, and the mother of Duke Robert of Apulia and Grand Count Roger of Sicily.
In the 16th century, a belief started spreading, suggesting that Trancred’s first wife, Muriella, and Fressenda, were the daughters of Richard of Normandy, and thus members of the House of Normandy and a relatives of William the Conqueror.
Marriage and Issue
With Tancred of Hauteville she had seven sons and at least a daughter:
Robert Guiscard (1015-1085), duke of Apulia and Calabria and Lord of Sicily
Mauger (d. 1064), count of the Capitanate
William (1027-1080), count of the Principate
Alberic (also Aubrey, Alvared, Alvred, or Alverdus in Latin), stayed in Normandy
Hubert (or Humbert), stayed in Normandy
Tancred, stayed in Normandy
Roger (1031-1101), grand count of Sicily
Fressenda (dead in 1078), wife of Richard Drengot, count of Aversa and prince of Capua
References
From Wikipedia (CC BY-SA 4.0).