Whereas Edward the king's son, after the surrender of the Isle of Ely, took under the king's safe conduct Ralph Pirot in coming to the king to treat of his peace and commanded that all his goods should be delivered to him by William de Moyne. And Berrenger le Moyne and others of those parts, at the town of St Ives and later at Somersham led away 120 oxen and other cattle of the said Ralph to the value of 100 pounds which the said Edward had taken under the king's protection, and still detain them. Commission to Warin de Bassingburn and Saer de Frivile to enquire into this by jurors of the county of Cambridge and to attach the guilty to have their bodies before the king a fortnight after Easter wherever he shall be in England.

From the Patent Rolls of year 52 Henry III (1268)