| John of Gaunt Duke of Lancaster (1340 - 1399) |
Thomas de Holand Earl of Kent (ca1350 - 1397) |
| Catherine Roet (1340 - 1403) |
Alice FitzAlan (ca1352 - 1416) |
| John Beaufort Marquess of Dorset | Margaret de Holand |
| b. ca 1373 d. 21 Apr 1410, St Katherine by the Tower, London . 1st s. Marquis of Dorset, earl of Somerset. KG 87: c.1397; S 25 |
b. 1385 d. 30 Dec 1439, Bermondsey Abbey . Co-heir to her brother Edmund (d.1408). LG 1399. |
| Spouses: 1, 2 |
| > Joan Beaufort < Henry Beaufort Earl of Somerset [Godchild] John Beaufort Duke of Somerset Edmund Beaufort Duke of Somerset Margaret Beaufort |