On 25 February 1862 she married Charles FitzRoy, 3rd
Baron Southampton, becoming his second wife. He had no children by his first wife. They had five children. • Hon. Mary Helen Augusta Ismay FitzRoy (1863 – 22 April 1952), married Sir Charles Edward FitzRoy, they had six children (including
Charles FitzRoy, 10th Duke of Grafton); • Hon. Frederica Louise FitzRoy (1864 – 9 April 1932), married
Percy Edward Crutchley, had a son; • Hon. Blanche Georgiana FitzRoy (1865 – 22 November 1944), married
Edward Sholto Douglas-Pennant, 3rd Baron Penrhyn, had five children; • Charles Henry FitzRoy, 4th Baron Southampton (11 May 1867 – 7 October 1958), married Lady Hilda Maria Dundas, had five children; •
Hon. Edward Algernon FitzRoy (24 July 1869 – 3 March 1943), married
Muriel Douglas-Pennant, Viscountess Daventry, had four children. He died after just ten years of marriage and as a result FitzRoy remained the Dowager Baroness for another 45 years. ==Career==