MACDONALD, Mary 1
User ID: V869.
Mary married William (III) Earl of Ross, son of Hugh Earl of Ross and Matilda or Maud DE BRUS, about 25 May 1342.1 (William (III) Earl of Ross was born about 1311 and died in 1372.)
"William, fifth Earl of Ross, married (in terms of Papal dispensation dated 25 May 1342) Mary, daughter of Angus Og, Lord of the Isles. He had issue ..."
e-books, The Scots Peerage ed. Sir James Balfour Paul vol. 7 (1910).