Marjorie was the daughter and heiress of Niall Mac Dhonnchad, 2nd Earl of Carrick and his wife Margaret Stewart.
Then, as the story goes, a handsome young man arrived one day to tell her of her husband's death in the Holy Land.
Their children were: Margaret Bruce who married Sir William de Carlyle is thought by Barrow[full citation needed] not to be their daughter.
that Thomas Randolph, 1st Earl of Moray was the son of Marjorie's daughter, Martha, from her first marriage with Adam.
Marjorie died before November 1292, at which time her husband transferred Carrick to their eldest son, Robert.