Robert de Brus1243 - 1304 Born 1243 Writtle, Chelmsford Died Tue, 4 March 1304 Buried Holmcultram Abbey, Abbeytown Details Parents 6th Lord of Annandale Robert de Brus Lived 60 years, 8 months, 3 days father Robert de Brus 1215 - 1295 mother Isabella of Gloucester and Hertford 1226 - 1264 Siblings Brother William de Brus 1244 - 1300 Brother Bernard de Brus 1246 - 1305 Brother Richard de Brus 1249 - 1287 Sister Isabella de Brus 1249 - 1284