In 1799 he married Margarita Macdonald of Kinlochmoidart, daughter of Alexander Macdonald, 5th of Kinlochmoidart, and adopted the Macdonald name, whereby some of Margarita's family wealth and status passed to their children, who were all styled "Robertson-Macdonald". Their children were William Frederick Robertson-Macdonald, 9th of Kinlochmoidart (1802–1883), Admiral
David Robertson-Macdonald, 11th of Kinlochmoidart (1817–1910) and Jessie Robertson-Macdonald (1819–1900) ==See also==