7.1  John Bourchier Bowker, b. 1854 d. 1913 m. Susan Maria Botha
        7.1.1  Septimus Bourchier Bowker, b. 1900 m. Ella Josephine Pike
        7.1.2  Peter Robsart Bowker, b. 1902.  Unmarried
        7.1.3  Vera Noel Bowker, b. 1903 m. Harold Martin Mybergh
                   7.1.3.1  Elaine Bourchier Mybergh, b. 1928
                   7.1.3.2  Yvonne Louise Mybergh, b. 1930
                   7.1.3.3  Harold Martin Mybergh, b. 1936
                   7.1.3.4  John Bourchier Mybergh, b. 1939
        7.1.4  Oswald Berners Bowker, b. 1905.  Unmarried
        7.1.5  Susan Ivy Bowker, b. 1907 m. Peter Leslie Drummond
                   7.1.5.1  Marie Lynette Drummond, b. 1940
7.2  William H. E. Bowker b. 1855 d. 1931 m. Janie Lanham
       7.2.1  Kathleen Bowker.  Unmarried
       7.2.2  Eric Egerton Bowker, m. Helen Theron
                  7.2.2.1  Eric William Bowker, b.1937
                  7.2.2.2  Eileen Isabel Bowker, b. 1939
                  7.2.2.3  Derek Egerton Bowker, b. 1943
7.3  Alice Jessie Bowker, b. 1860 m1. Fred Grainger m2. H. Spencer
7.4  Bertram Mitford Bowker, b. 1865 m. Ellen Mary Stewart McLaren
       7.4.1  Elizabeth Bertram Bowker, b. 1910 m. C. Southern (divorced)
                  7.4.1.1  Peter Mitford Bowker, b. 1940
       7.4.2  Helen May Bertram Bowker, b. 1913 m. ? Kretschmann
       7.4.3  Nancy Edith Bowker, b. 1916. d. 1916
7.5  Frances Martha Bowker, b. 1872 m. Walter Gradwell li
       7.5.1  Lillian Gradwell, b. 1894 m. Clem Marsh
                 7.5.1.1  Maurice C. Marsh, b. 1922
                 7.5.1.2  Derick C. R. Marsh, b. 1928
       7.5.2  Maurice Walter Gradwell, b. 1896 m. Doris Edwards
       7.5.3  Enid Gradwell, b. 1898 m. D. J. Huddy
                  7.5.3.1  Maureen Frances Huddy, b. 1930
                  7.5.3.2  Rosalie Margaret Huddy, b. 1933
                  7.5.3.3  Valerie Doris Huddy, b. 1938
       7.5.4  Doris Gradwell, b. 1900 m. Dr. W. O. Rubidge
                  7.5.4.1  Valerie Dawn Rubidge, b. 1928
       7.5.5  Nora Gradwell, b. 1903.  Unmarried
       7.5.6  Francis Gradwell, b. 1905 m. B. Eldridge
                  7.5.6.1  Brenda Gradwell, b. 1943
       7.5.7  Septimus Bourchier Gradwell, b.1907 m. Kathleen Norton
                  7.5.7.1  Peter Bertram Gradwell, b. 1942
                  7.5.7.2  Lynne Gradwell, b. 1944 
       7.5.8  Bertram Clement Gradwell, b. 1909 m. D. Pringle
                  7.5.8.1  David Elliot Gradwell, b. 1944