In 1016, Reginald married
Alice of Normandy.[2] Reginald succeeded to the county on his father's death in 1026. Reginald was succeeded by his son,
William I, on his death in 1057.
Reginald married Alice and had the following children:
Guy (c. 1025–1069),[4] unsuccessful claimant to the
Duchy of Normandy and County of Burgundy
Hugh (c. 1037 – c. 1086), Viscount of Lons-le-Saunier, sire Montmorot, Navilly and Scey married to Aldeberge Scey. They had a son Montmorot Thibert, founder of the house Montmorot (or Montmoret).
Bouchard, Constance (2000). "Burgundy and Provence, 879-1032". In Reuter, Timothy (ed.). The New Cambridge Medieval History. Vol. III: c.900-c.1024. Cambridge University Press.
Fegley, Randall (2002). The Golden Spurs of Kortrijk: How the Knights of France Fell to the Foot Soldiers of Flanders in 1302. McFarland & Co. Inc.
Poole, Austin Lane (1951). From Domesday Book to Magna Carta, 1087-1216. Clarendon Press.
Potter, Julie (1999). "The Benefactors of Bec and the Politics of Priories". In Harper-Bill, Christopher (ed.). Anglo-Norman Studies XXI: Proceedings of the Battle Conference 1998. Boydell Press.