This Isaac Debnam was my g-grandmother's brother Ellen Hemsley Debnam Noon (she married Joseph James Noon) and in turn they had Joseph, Frederick, Arthur, Emma and Jessie Elizabeth Noon. Their parents names are Isaac Debnam and Ellen Cox who after Isaac's death remarried a Richard Perry.
Their father b. Feb 18 1837 died 1880. Ellen born Jan 22, 1838 died 1926 in Longfield, Kent. Their grandfather's names was also Isaac Debnam and mother Emma Hemsley Buller b 1803 Southwark, England. Ellen's mother was Mary Ann Windsor and father Richard Gounden Cox. Your Isaac had sisters, Emma Hemsley, Elizabeth Sarah, Ellen (Nell, Lydia Martha, brother, Charles R. Debnam. I show your Issac born Dec 6, 1860, d 1939. Emma Hemsley Debnam b Dec 27 1863 d May 11, 1900, Elizabeth Sarah b Oct 21, 1865 died 1906. She married Samuel Horlock. Charles b 1869 died 1874.