Roderick Mackenzie, Lord Prestonhall (died 1712) (d. 1712) Parents Sir John Mackenzie of Tarbat, 1st Bt. Margaret Erskine Children Alexander Fraser of Fraserdale Siblings Isabel Mackenzie Anne Mackenzie Catherine Mackenzie Alexander Mackenzie Barbara Mackenzie George Mackenzie, 1st Earl of Cromartie Margaret Mackenzie Kenneth Mackenzie Partners Mary Burnet Margaret Halyburton