Note 342 — Chapter III · ANJOU AND BLOIS. 987–1044.
Reading edition
Ademar of Chabanais (Rer. Gall. Scriptt., vol. x.), p. 161; Will. Poitiers (Duchesne, Hist. Norm. Scriptt.), p. 189; Will. Malm. Gesta Reg., l. iii. c. 235 (Hardy, p. 401). Ademar says Herbert’s imprisonment lasted two years; and the Chronn. S. Albin. and Vindoc. a. 1027 (Marchegay, Eglises, pp. 22, 167), give us the date of his release, by giving that of the Breton invasion which followed it.