Margaret married Frederick John William Ponsonby on 1 Feb 1877 in Eastbourne, Sussex, England. Frederick (son of Charles Frederick Ashley Cooper Ponsonby, 2nd. Baron de Mauley of Canford and Lady Maria Jane E. Ponsonby) was born on 28 Aug 1847 in Rossie, Perthshire, Scotland; died on 25 Aug 1933 in Lechlade, Gloucestershire, England. [Group Sheet]

1. Mary Fanny Louisa Ponsonby was born on 21 Apr 1879 in Lowndes St., London, England; was christened on 23 May 1879 in St. Peter's, Pimlico, Middlesex, England; died on 1 Jun 1955 in Westminster District, London, England.
2. Evelyn Margaret Ponsonby was born on 24 Oct 1887 in Belgrave Sq. London, England; was christened on 12 Dec 1887 in St. Peter's, Pimlico, Middlesex, England; died after 1939.