+--Hugh Arbuthnott, 9th Laird of  (1373-13 MAR 1446)
         +--Sir Robert Arbuthnot 10th Laird of Arbuthnott  (1404-1450)
         |  +--Margaret Lady Keith  (1376-29 NOV 1419)
      +--Sir David 11th Laird of Arbuthnott, Arbuthnott  (1423-8 OCT 1470)
      |  +--Lady Margaret Giles Ogilvie  (1408-4 MAY 1468)
   +--Sir Robert, 12th Laird of Arbuthnott, Arbuthnott  (1456-11 JAN 1506)
   |  +--Elizabeth Lady Durham  (1426-10 MAR 1488)
+--James Arbuthnott Sir, Baron, 13th Laird of Arbuthnott  (1475-8 MAR 1521)
|  |  +--Sir James I Scrymgeour, 7th Lord of Dudhope, Constab  (1438 1445-31 DEC 1478)
|  +--Lady Mariota (Marion) Scrymgeour  (1453-8 JAN 1518)
|     +--Lady Margaret Maitland  (1440 1450-31 DEC 1478)
Patrick Arbuthnott  (1514-10 SEP 1547)
|        +--John Stewart Laird van Innermeath  (1350-26 APR 1421)
|     +--James I "The Black Knight of Lorn" Stewart, King of Scotland  (30 DEC 1394-17 AUG 1451)
|     |  +--Isabelle Mac-Dougall Lady van Lorn  (1355-21 DEC 1439)
|  +--Sir Lord John I "The Hearty" Stewart, Knight of Balveny & Earlshi  (1440-15 SEP 1512)
|  |  |     +--John Gaunt Plantagenet  (24 JUN 1340-3 FEB 1399)
|  |  |  +--John Fairborn de Beaufort, K.G.  (1373-21 APR 1410)
|  |  |  |  +--Catharina Payne Swynford de Roet  (25 NOV 1350-10 MAY 1403)
|  |  +--Johanna (Joan) Plantagenet de Beaufort, (Queen of Scotland)  (27 DEC 1407-15 JUL 1445)
|  |     |     +--Thomas Holland  (-28 DEC 1360)
|  |     |  +--Thomas II Holland  (1354-25 APR 1397)
|  |     |  |  |  +--Edmund Plantagenet 
|  |     |  |  +--Joan Plantagenet 
|  |     +--Lady Margaret Holland  (30 DEC 1384-31 DEC 1439)
|  |        |  +--Richard Fitz-Alan 
|  |        +--Alice Fitz-Alan Stuart  (2 MAY 1350-17 MAR 1415)
+--Lady Jean Stewart  (1487-ABT 1550)
   |  +--William Sinclair  (1430-14 JUL 1487)
   +--Lady Eleanor Sinclair  (19 APR 1457-21 MAR 1519)
      +--Lady Marjory Sutherland  (1 JAN 1436-29 APR 1488)