Nielsen Hayden genealogy
Family: Robert de Brus, King of Scotland / Isabel of Mar (F12454)
m. Abt 1295Robert de Brus (1243-1304) 
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Marjory of Carrick (1252-1292)
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Maud Bruce ( -1323)  |
| Donald of Mar ( -1297)
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| Ellen ( -1294)
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| Robert de Brus, King of Scotland (1274-1329)
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| Isabel of Mar ( -1301)
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| Marjory Bruce ( -1317) |