| | Margaret Douglas 1440–1474 John "John I" Stewart 1430–1512 | | |
| | Euphemia Graham 1408–1468 Archibald Douglas 1391–1439 | | |
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| | | | | | Robert "Robert II" Stewart 1316–1390 | | | | | | | | Egidia de Burgh 1263–1327 | | | | Alexander Stewart 1214–1283 | | |
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| | | Robert "Robert I the Bruce" Bruce 1274–1329 Isabella of Mar 1277–1296 Elizabeth de Burgh 1289–1327 | | | | Robert "Robert VI" Bruce 1243–1304 Marjorie of Carrick 1253–1292 | | |
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