Note 484 — Chapter XII · THE LATER REIGN OF WILLIAM IN NORMANDY.[159] 1051–1066. (continued 2)
Reading edition
Ib. “Victor Gaufredum Meduanensem ... intra exiguum tempus eousque compulit, ut in remotissimis Normanniæ partibus sibi manus perdomitas daret, fidelitatem quam satelles domino debet jurans.” William of Jumièges (vii. 27), followed by Wace (10189) and Benoît (35627), places here the conquest of Le Mans and the taking of Mayenne. The source of the confusion is obvious.