Alexander of Islay, Earl of Ross Scottish nobleman and Lord of the Isles (1390–1449) Parents Mariota, Countess of Ross Domhnall of Islay Children Florence Macdonald Celestine Macdonald of Lochalsh John of Islay, Earl of Ross Hugh of Sleat Margaret Macdonald Siblings Agnes MacDonald Anne of the Isles Angus Macdonald unknown Macdonald unknown son Macdonald Mariotta Macdonald Anna Macdonald Partners unknown daughter Roy Elizabeth Seton unknown daughter Macphee
