Note 71 — Chapter I · THE BOY DUKE 1157-1179
Reading edition
Gesta, i. 101. The place is there called “Castellum super Agiens.” M. Richard, Ctes. de Poitou, ii. 183, calls it “le château du Puy de Castillon”; cf. ib., 134, “Castillon sur Agen, place extrêmement forte,” from R. Torigni, a. 1161, “Castellionem super urbem Agennum, castrum scilicet natura et artificio munitum,” taken by Henry after a week’s siege in 1161. It seems to be identical with Grand-Castel, on the river, a little above Agen.