Seal of Robert "son of Robert FitzWilliam", feudal baron of Cardinham, Cornwall, "tempore" King Richard I (1189-1199). This drawing of his seal, appendant to an undated (during reign of King Richard I (Lysons stated in error Richard II)) grant of his mill of Cardinam to the Priory of Tywardreth, Cornwall, was published in Lysons, Magna Britannia, Volume 3: Cornwall, 1814, Extinct peers and baronial families. It shows an eagle displayed circumscribed by the words: "SIGILL(UM) ROBERTI DE CARDINAN" ("seal of Robert de Cardinan")