1  of London James Marks    +  (Name Unknown)      2  Mary Hannah Marks ( – 13 Jun 1904)         +  Baronet Sir John Lawrence Langman (24 Jun 1846 – )            3  Edith Mary Langman ( – 15 Nov 1870)            3  2nd Baronet Sir Archibald Lawrence Langman (2 Sep 1872 – )               +  Hon Eleanor Katherine Lyell                   4  Mary Eleanor Langman (6 Aug 1908 – )                  4  3rd Baronet Sir John Lyell Langman (9 Sep 1912 – )                     +  Iris Pamela Gaskell                         5  Josephine Frances Langman (10 Mar 1938 – )                        5  Joanna Catharine Langman (7 Jan 1940 – )                        5  Judith Ann Camilla Langman (8 Jan 1949 – )                  4  Nora Elisabeth Ferrar Langman (3 Feb 1919 – )