Note 3 — PART II HISTORICAL STUDIES
Reading edition
Domesday (i. 200b) styles him, 'Ilbertus de Hertford', and connects him with 'Risedene', a Hertfordshire Manor. On the other hand, the I.C.C. makes him 'Ilbertus de Hereforda' (p. 56), and 'Ilbertus vicecomes' is actually found in Herefordshire (D.B., i. 179b). But what could he be doing in Cambridgeshire?