Note 468 — Chapter XII · THE LATER REIGN OF WILLIAM IN NORMANDY.[159] 1051–1066. (continued 2)
Reading edition
See vol. ii. p. 289. The fortification of Ambrières in 1049 is distinctly asserted in the passage of William of Jumièges there referred to; but William of Poitiers certainly speaks now as if the castle had to be built rather than merely to be strengthened.