Anne Thesiger (1898-1973) (1898–1973) Parents Frederic Thesiger, 1st Viscount Chelmsford Frances Thesiger, Viscountess Chelmsford Children Grania O'Brien Deirdre O'Brien Siblings Andrew Thesiger, 2nd Viscount Chelmsford Frederic Thesiger Joan Thesiger Bridget Thesiger Margaret Thesiger Partners Donough O'Brien, 16th Baron Inchiquin