Arms of Earl Warren. Arms of Warren - reg. Chequy or and azure. i.e. less the canton charged with the Lion rampant ermine for Hereford, ergo not later than AD 1350 21o Edward 3. When Jno the last male representative of the ancient Earls of Surrey died at an advanced age. Dugdale writes that Jno de Warren, mentioned below was a posthumous child, his father William having died 14 Edward 1 AD 1276. Jno was married to Joan daughter of the Earl of Baar by whom he had no issue, but that during her lifetime he had two sons by Maud de Hereford, a person of great family in Norfolk named John and who were similarly Warren; also that John bore for his arms as is written below the canton representing Hereford. From this John the Warrens of Poynton Cheshire are descended.