During his time in England, Lamberton stayed near the Tweed so that he could maintain connections with the parts of his diocese under English rule. Lamberton also wrote a letter to Philip of France asking for the King to help him gain freedom from England.
During his time in England, Lamberton resided near the Tweed to maintain connections with the areas of his diocese under English jurisdiction. Lamberton also penned a letter to Philip of France requesting the King's assistance in securing his freedom from England.