Notwithstanding the provisions of section 11,
every trustee may apply by petition to a principal Civil Court of original jurisdiction to be
discharged from his office; and if the Court finds that there is sufficient reason for such discharge,
it may discharge him accordingly, and direct his costs to be paid out of the trust-property. But where there is no such reason, the Court shall not discharge him, unless a proper person can be
found to take his place