Norman Knights and Anglo-Saxon Heiresses
From author Carol McGrath: An obvious way to secure land was to marry an heiress. The Breton Geoffery de la Guerche apparently acquired the lands of Leofine, Harold's brother who died at Hastings through marriage with Leofwine's daughter Aelfgifu. Sometimes the enforced marriage policy was not welcome and the ladies took refuge in nunneries 'not for love of religious life but from fear of the French', according to Oderic Vitalis. . . .