| | Berthia Morrison 1613–1639 Robert Spotswood 1596–1646 | | |
| | Alexander Morrison 1579–1631 | | |
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| | Isabel Arbuthnot 1515–1558 | | |
| | James Arbuthnot 1483–1521 | | | | John "John I" Stewart 1430–1512 Eleonore Sinclair 1445–1518 Margaret Douglas 1440–1474 | | | | | | | | Isabel MacDougall 1360–1439 | | | | Catherine MacDougall 1316– | | |
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| | | Margaret Holland 1385–1439 | | | | John "John of Gaunt" Plantagenet 1340–1399 Blanche Plantagenet-Lancaster 1345–1368 Constanza de Ivrea 1354–1394 Katherine de Roet 1350–1403 | | |
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| | | Archibald Douglas 1391–1439 Euphemia Graham 1408–1468 | | |
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