|  | Robert De BRUS, Earl of Carrick 1243–1304 Margaret Countess Of CARRICK 1252–1292  |  |  |  | Robert the Competitor  De BRUS 1210–1295 Isabel De CLARE 1226–1264  |  |  |  | Robert De BRUCE 1164–1245 Isabelle HUNTINGDON 1199–1251  |  
  |   |  | Gilbert De CLARE :[EARL OF GLOUCESTER] 1182–1230 Isabel MARSHALL 1206–1240  |  
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  |   |  | Neil Earl Of CARRICK 1202–1256  |  |  |  | Duncan Earl Of CARRICK 1174–1250  |  
  |   |  |  |  |  |  | Alan FitzWalter 1126–1204  |  |  |  
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