Grace Zoë Guinness (1893-1978) (1893–1978) Parents Zoë Virginie Nugent Claude Hume Campbell Guinness Children Olivia FitzRoy Amelia Grace FitzRoy Katherine Susan FitzRoy Barbara Helen FitzRoy Mary Angela FitzRoy Siblings Marjorie Gladys Guinness Partners Oliver Fitzroy, 2nd Viscount Daventry