Mariota Leslie was the daughter of Euphemia I, Countess of Ross and her husband, the crusading war-hero Walter Leslie, Lord of Ross. Upon the death of her brother, Alexander Leslie, Earl of Ross, she became the heiress presumptive of her niece Euphemia II, Countess of Ross although her husband Domhnall of Islay, Lord of the Isles pressed Mariota's superior claim to the earldom.
- Position held
- Earl of Ross
- Born
- 1301
- Died
- 1440
