See also
| Husband: | William DOUGLAS (c. 1375-1427) | |
| Wife: | Elizabeth STEWART (c. 1380- ) | |
| Children: | William DOUGLAS (c. 1395-1458) | |
| Marion DOUGLAS ( - ) | ||
| Name: | William DOUGLAS | |
| Sex: | Male | |
| Father: | James DOUGLAS (1358-1388) | |
| Mother: | ? ( - ) | |
| Birth | c. 1375 | |
| Occupation | 1st Laird of Drumlanrig | |
| Death | 1427 (age 51-52) | |
| Name: | Elizabeth STEWART | |
| Sex: | Female | |
| Father: | Robert STEWART (c. 1358- ) | |
| Mother: | Janet MACDOUGAL (c. 1355- ) | |
| Birth | c. 1380 | |
| Name: | William DOUGLAS | |
| Sex: | Male | |
| Spouse: | Jacoba DOUGLAS ( - ) | |
| Birth | c. 1395 | Drumlanrig Castle, Durisdeer, Dumfriesshire |
| Occupation | 2nd Laird of Drumlanrig | |
| Death | 1458 (age 62-63) | |
| Name: | Marion DOUGLAS | |
| Sex: | Female | |
From his father he inherited the old Mar Barony of Drumlanrig (1384/8) and the whole Barony of Hawick from his cousin, Archibald, 4th Earl of Douglas.