At the time of Benedict XI 's election , however , Benedict X was still considered a legitimate pope .
Thus the man the Catholic Church officially considers the tenth true Pope Benedict XI , Benedict XI   , took the official number XI rather than Benedict X .
At the time of Benedict XI 's election , however , Benedict X was still considered a legitimate pope , and thus the man the Catholic Church officially considers the tenth true Pope Benedict , Niccolo Boccasini , took the official number XI rather than X .