John de Beauchamp, who in the 5th of Edward I (1276-7), was made governor of the castles of Kaermerdin and Cardigan. He m. Cicely, dau. and heiress of Maude de Kyme, dau. of William Ferrers, Earl of Derby, by her second husband, William de Vivonia, which William was son of Hugh de Vivonia, by Mabel, one of the co-heirs of William Mallet, a great baron, who d. temp. Henry III. This John de Beauchamp, who d. 1283, was s. by his son, John de Beauchamp. [Sir Bernard Burke, Dormant and Extinct Peerages, Burke's Peerage, Ltd., London, 1883, p. 33, Beauchamp, Barons Beauchamp, of Hache, in the co. Somerset]