| b 1331, Of, Hatch, Somersetshire, England | Robert Beauchamp | > | John Beauchamp | Alice De Mohun | > |
| John De Beauchamp, [Lord Beauchamp] | b 1249 | William 'Fort' De Vivonne | > | |
| | b 25 Jul 1274 | Cecilia De Vivonne | Maud De Ferrers | > | |
| John Beauchamp, [Sir Knight] | d 12 Oct 1336 | b 1253 | ||
| |b 04 Oct 1306 | | | |||
| |d 19 May 1343 | Joan Chenduit_Cheney | |||
| | | b 1279 | |||
| William Beauchamp | d 09 May 1327 | Robert Saint_John | > | |
| | | John Saint_John | Agnes Cantilupe | > | | | John De Saint_John | b 1225 | Reginald Fitzpiers |
| | | |b Oct1273 | Alice Fitzpiers | Alice | |
| Margaret Saint_John | d 14 May 1329 | b 1234 | John De Courtenay | > |
| b 1308 | | | Hugh De Courtenay, [Sir Knight] | Isabel De Vere | > |
| d 19 Nov 1361 | Isabell De Courtenay | b 25 Mar 1248 | Hugh Le Despencer | > |
| b 1283 | Eleanor Le Despencer | Mrs-Hugh Le Despencer | ||
| b 1240 | ||||