Olivia FitzRoy British writer (1921–1969) (1921–1969) Parents Grace Zoë Guinness Oliver Fitzroy, 2nd Viscount Daventry Children Sarah Rose Bates Celina Zoë Bates Siblings Mary Angela FitzRoy Barbara Helen FitzRoy Amelia Grace FitzRoy Katherine Susan FitzRoy Partners Sir Geoffrey Voltelin Bates, 5th Bt.