Clemente di Casauria, founded by the emperor Louis II.
Clemente by Gregory VII.
A Clemente VII.
P. 414 (2nd ed., 1874); P. Balan, Clemente VII.
He entered the Celestine order and came into prominence during the pontificate of his uncle, Gregory XII., by whom he was appointed bishop of Siena, papal treasurer, protonotary, cardinal-priest of St Marco e St Clemente, and later cardinal-priest of Sta Maria in Trastevere.