when i was born i was reg in my mothers surname then later it was changed to farthers name so i can only get this birth cert i change back to my birth name when i was old to do now i have been know by this since my passport driver licence everything now the question is to marry in phil i need birth cert or will deedpole cert be ok ? will this be accepted by nso as birth cert say anyway it is not prove of identety thanks for any help