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Leo XII
From Wikipedia, the free encyclopedia
Leo XII (natus, ex familia nobili Gengae, Hannibal Franciscus Clemens Melchior Hieronymus Nicolaus Sermattei Gengaensis, die 22 Augusti 1760; obiit die 10 Februarii 1829) fuit papa Catholicus et episcopus Romanus a die 27 Septembris 1823 usque ad mortem.