MaleJohn, Marquess of Dorset Beaufort |
| Birth | 1373 | |
| Death | 16 Mar 1410 | St Katherine by the To |
| Burial | ||
| Marriage | 28 Sep 1397 | |
| Father | John Of Gaunt Duke Of Lancaster | F616 Group Sheet | |
| Mother | Catherine Swynford | F616 Group Sheet | |
FemaleMargaret Holland |
| Birth | ||
| Death | Yes, date unknown | |
| Burial | ||
| Father | Thomas De Holand | F654 Group Sheet | |
| Mother | Alice Fitzalan | F654 Group Sheet | |
MaleJohn, Duke of Somerset Beaufort |
| Birth | 1403 | |
| Death | 1444 | |
| Burial | ||
| Spouse | Margaret Beauchamp | F655 | |
| Marriage | ||