| John Plantagenet of Gaunt K.G., D. of Aquitaine & Lancaster, etc. (1340 - 1399) |
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| Katherine de Roet (Swynford) Duchess Lancaster (~1350 - 1403) |
| Thomas Beaufort Knt., K.G., Duke of Exeter, of Greenwich, Kent, etc. | Margaret Neville |
| b. abt Jan 1377, Chateau de Beaufort, Meurthe-et-Moselle, France d. 31 Dec 1426, Greenwich Manor, East Greenwich, Kent, England bur. Bury St. Edmonds, Suffolk, England occ. cen. im. . ud. |
b. abt 1383/1385, Aged 28-30 in 1413 d. bef 29 Apr 1424, (probably) bur. occ. cen. im. . ud. |
| Henry Beaufort |