Muriel FitzRoy, 1st Viscountess Daventry British noble (1869-1962) (1869–1962) Parents Harriet Ella Gifford Archibald Charles Henry Douglas-Pennant Children Oliver Fitzroy, 2nd Viscount Daventry Nancy Jean Fitzroy Maurice Fitzroy Michael Algernon Fitzroy Siblings Rachel Douglas-Pennant Algernon Douglas-Pennant Claud Douglas-Pennant Archibald Douglas-Pennant Edric Douglas-Pennant Frank Douglas-Pennant, 5th Baron Penrhyn Partners Edward FitzRoy