enormous [R/D] Of course, Popes have not always been 'celebate' or single, the early ones, up to the 11 century, were almost certainly married as society demanded in those days. And I am not RC either.
wouldn't [Rosie et al] Non-Roman (i.e. the Eastern varieties) Catholic priests may marry and father children, although I don't know if any of them may be addressed as "Your Holiness"