6
Sera the Ninth
While born into the world in perfect working order it was found that her genetic structure had began to degrade. Blind before the physical age of ten Sera the ninth decided to accept her fate, declining all offers to have her coding repaired. She stated that it was time that her line come to an end. The world could take care of itself, and if not, so be it.
However there was a tenth clone sleeping soundly. Sera asked that this one be fixed, but not to be giving the memories they all shared. Instead this one would grown up and find her own destiny.