1 2 K.S.B. Keats-Rohan, 'Two Studies in North French Prosopography', Journal of Medieval History, Vol. 20 (1994), p. 10
↑ The Gesta Normannorum Ducum of William of Jumièges, Orderic Vitalis, and Robert of Torigni, Ed. & Trans. Elisabeth M.V. Van Houts (Clarendon Press, Oxford, 1992), pp. 56-7 n. 1
1 2 The Annals of Flodoard of Reims; 919-966, Ed. & Trans. Steven Fanning & Bernard S. Bachrach (University of Toronto Press, 2011), pp. 41-2
↑ The Annals of Flodoard of Reims; 919-966, Ed. & Trans. Steven Fanning & Bernard S. Bachrach (University of Toronto Press, 2011), p. 44
↑ Pierre Riché, The Carolingians; A Family who Forged Europe,Trans. Michael Idomir Allen (University of Pennsylvania Press, Philadelphia, 1993), p. 264
↑ Bernard S. Bachrach, Fulk Nerra the Neo-Roman Consul, 987-1040 (University of California Press, 1993), p. 7
1 2 3 4 Bernard S. Bachrach, Fulk Nerra the Neo-Roman Consul, 987-1040 (University of California Press, 1993), p. 8
1 2 3 4 5 6 Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany, J. A. Stargardt, 1984), Tafel 46
↑ The Normans in Europe, Ed. & Trans. Elisabeth van Houts (Manchester University Press, UK, 2000), p. 183
↑ Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band III Teilband 1 (Marburg, Germany, J. A. Stargardt, 1984), Tafel 49
↑ Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany, J. A. Stargardt, 1984), Tafel 10
