+--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)