Mary Stewart (daughter of Robert III)
| Mary Stewart | |
|---|---|
| Countess of Angus | |
| Born | c. 1380 |
| Died | c. 1460 (aged c. 80) |
| Burial | |
| Spouse | George Douglas, 1st Earl of Angus James Kennedy of Dunure William Graham of Kincardine William Edmonstone of Duntreath |
| Issue | William Douglas, 2nd Earl of Angus John Kennedy Gilbert Kennedy, 1st Lord Kennedy James Kennedy, Bishop of St. Andrews |
| House | Stewart |
| Father | Robert III of Scotland |
| Mother | Annabella Drummond |
Mary Stewart (c. 1380 – c. 1460) was a Scottish princess. The third daughter of King Robert III and his wife, Annabella Drummond, she was married four times, most notably to George Douglas, 1st Earl of Angus, with whom she was the progenitor of the so-called Red Douglas bloodline of the Douglas family.