Margaret Thesiger (born 1911) (b. 1911) Parents Frances Thesiger, Viscountess Chelmsford Frederic Thesiger, 1st Viscount Chelmsford Children Robert Frederic Monk Charles Sydney Penryn Monk Siblings Andrew Thesiger, 2nd Viscount Chelmsford Frederic Thesiger Joan Thesiger Anne Thesiger Bridget Thesiger Partners John Monk Monck