Note 309 — Chapter XII · THE LATER REIGN OF WILLIAM IN NORMANDY.[159] 1051–1066.
Reading edition
On the Viscounts of Arques, see Deville, pp. 9, 13, 19, 87; Stapleton, i. cxxiii.; Will. Gem. viii. 36. See the lands of Willelmus de Arcis in Suffolk, Domesday, 431 b. An Osbern de Arcis also occurs in Lincolnshire and Yorkshire.