See also
| Husband: | William + BORTHWICK (c. 1364- ) | |
| Wife: | Beatrice + SINCLAIR (c. 1365-1461) | |
| Children: | Janet + BORTHWICK (1388-1464) | |
| Marriage | 1 May 1411 | Borthwick (Lochwart) Castle, Midlothian, Scotland |
William + BORTHWICK
| Name: | William + BORTHWICK | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Birth | 1364 (est) | Borthwick (Lochwart) Castle, Midlothian, Scotland |
| Occupation | Second Earl of Borthwick | |
| Death | Borthwick (Lochwart) Castle, Midlothian, Scotland | |
Beatrice + SINCLAIR
| Name: | Beatrice + SINCLAIR | |
| Sex: | Female | |
| Father: | Henry + SINCLAIR (c. 1340- ) | |
| Mother: | Jane + HALYBURTON (c. 1345- ) | |
| Birth | 1365 (est) | Rosslyn, Orkney Islands, Scotland |
| Death | 8 Feb 1461 (age 95-96) | Catcume, Scotland |
| Name: | Janet + BORTHWICK | |
| Sex: | Female | |
| Spouse: | Hebron + HEBURN (1382-1446) | |
| Birth | 1 Nov 1388 | Lochorwart Castle, Midlothian, Scotland |
| Death | 5 Jun 1464 (age 75) | Edinburgh Castle, Edinburg, Midlothian, Scotland |