Note 895 — Chapter IV · TUTORS AND GOVERNORS 1221–1223
Reading edition
“Circa Nativitatem B. Mariae,” R. Wend., vol. iv. p. 71. Roger has here again mixed up the events of 1223 with those of an earlier year; he puts the whole affair of Builth and Montgomery in 1221, but it certainly belongs to 1223.