There is quite a lot of information about him on Ancestry.co.uk including images of the 1891, 1901 and 1911 England Censuses plus 1939 England and Wales Register.
Father was Edward Henry Benney and mother Laura Harvey, no verified children at a quick glance.
Edit: Gladys also in the 1891, 1901 and 1911 England Censuses plus England and Wales, Civil Registration Death Index 1916 - 2007, reads she died Jan - Mar 1928 in the Truro, Cornwall, England district.