Complex sentence: That would place his birth at about 1885 rather than 1865, however his 1905 photo, reprinted on this page, is clearly not that of a 20-year-old, indicating that the 1885 birthdate is highly unlikely.
Split into simpler sentences: That would place his birth at about 1885 rather than 1865. However his 1905 photo, reprinted on this page, is clearly not that of a 20-year-old, indicating that the 1885 birthdate is highly unlikely.