John, Marquess of Dorset Beaufort
1373 - 1410 (37 years)
| First Cousins | |
|---|---|
| 1 | Philippa Plantagenet d. 1382 |
| 2 | Richard Earl Of Cambridge d. 1415 |
| 3 | Richard II King Of England , b. 1367 d. 1399 |
| Second Cousins | |
|---|---|
| 1 | Margaret Holland d. Yes, date unknown |
| Third Cousins | |
|---|---|
| 1 | Isabel Fritzalan d. Yes, date unknown |
| Fourth Cousins | |
|---|---|
| 1 | Philippa _____ , b. 1360 d. 1415 |
| 2 | Henry IV King Of England , b. Apr 1366 d. 20 Mar 1413 |