Alexander married Euphemia Ross, Countess of Ross on 24 Jul 1382. Euphemia (daughter of Willian Ross, 5th Earl of Ross and Mary Og) died in 1394; was buried in Fortrose Cathedral, Ross and Cromarty. [Group Sheet] [Family Chart]
Family/Spouse: Margaret Atheyn. Margaret and died. [Group Sheet] [Family Chart]
Alexander married Isabel (Elizabeth) of Mar Douglas, Countess of Mar in Dec 1404. Isabel (daughter of William of Douglas, 1st Earl of Douglas and Margaret of Mar, Countess of Mar) was born about 1360; died before 19 Oct 1393. [Group Sheet] [Family Chart]
Family/Spouse: Marie van Hoorn. Marie (daughter of William van Hoorn and Marie van Randerode) died before Jun 1436. [Group Sheet] [Family Chart]
Family/Spouse: Lady Elizabeth Douglas. Elizabeth (daughter of Archibald Tyneman Douglas, 4th Earl of Douglas and Margaret Stuart) died before 1451. [Group Sheet] [Family Chart]