Cynthia Brooke, Viscountess Brookeborough British viscountess (1897–1970) Parents Florence Emma Louise Hanbury-Tracy Charles Warden Sergison Children Henry Alan Brooke Basil Julian David Brooke John Brooke, 2nd Viscount Brookeborough Siblings Prudence Ida Evelyn Sergison Partners Basil Brooke, 1st Viscount Brookeborough