Release and quitclaim. South Witham (Lincolnshire). Feast of St. Martin, bishop, 36 Henry VI (1457). . Release and quitclaim by Robert Dycon to William Brett of Castell Byteham, all his right, etc. in all those lands, tenements, rents, and services, in South Wythom, co. Lincoln, which descended to him by heirship after the death of Katherine Dycon his mother, daughter and one of the heirs of William Mason of Swafeld.