| HUSBAND Henry George Austen de l' Etang Herbert Duckworth |
| | Birth | 29 June 1905 | Marylebone, London, England |
| Death | 1992 | Crawley, Sussex West, England |
| Marriage | 22 September 1947 | |
| Father | Sir George Herbert Duckworth |
| Mother | Lady Margaret Leonora Evelyn Selina Herbert |
| WIFE Hon. Mary Katharine Medina "Katharine" Chatfield Obe |
| | Birth | 1911 | |
| Residence | 2003 | Dalingridge Place, Sharpthorne, Sussex West, England |
| Death | 14 March 2009 | |
| Burial | 26 March 2009 | West Hoathly, East Grinstead, Sussex West, England |
| Father | Baron Admiral Alfred Ernle Montacute Chatfield P.C., G.C.B., O.M., K.C.M.G., C.V.O. |
| Mother | Lillian Emma St John Matthews |
| CHILDREN |
F | Sarah Margaret Katharine "Alpha" Duckworth Twin |
| | Birth | 2 May 1951 | Paddington, London, England |
| Marriage | 1974 | Hector William Munro of Foulis; |
F | Harriet Angela Victoria "Beta" Duckworth Twin |
| | Birth | 2 May 1951 | Paddington, London, England |
| Marriage | 1979 | Count Andreas J Graf von Einsiedel; West Hoathly, East Grinstead, Sussex West, England |