« Reply #7 on: Saturday 12 November 11 23:22 GMT (UK) »
Of all the documents you mention, the death certificate is likely to prove the ;least accurate, for all the reasons given above.
Unless your great grandfather has a fairly common surname, it shouldn't be too difficult to find a birth certificate.
Darren
I am Australian, from all the lands I come (my ancestors, at least!)
Pine/Pyne, Dowdeswell, Kempster, Sando/Sandoe/Sandow, Nancarrow, Hounslow, Youatt, Richardson, Jarmyn, Oxlade, Coad, Kelsey, Crampton, Lindner, Pittaway, and too many others to name.
Devon, Dorset, Gloucs, Cornwall, Warwickshire, Bucks, Oxfordshire, Wilts, Germany, Sweden, and of course London, to name a few.