Olivia FitzGerald-de Ros (1807-1885) (1807–1885) Parents Charlotte FitzGerald-de Ros, 20th Baroness de Ros Lord Henry FitzGerald Children William Wellesley, 2nd Earl Cowley Cecil Wellesley Lady Sophia Wellesley Frederick Wellesley Lady Feodorowna Wellesley Siblings Cecilia FitzGerald-de Ros John Frederick FitzGerald-de Ros Henry FitzGerald-de Ros, 21st Baron de Ros William FitzGerald-de Ros, 22nd Baron de Ros Geraldine FitzGerald-de Ros Jane FitzGerald-de Ros Frederick March Partners Henry Wellesley, 1st Earl Cowley