Clement m. Latin clemens 'merciful, loving; mild, gentle'.
The name of a 1st C saint, a 1st C pope and saint, a 2nd C saint and church father, a 9th C Irish saint, a 9th C Bulgarian saint, an 11th C pope, an 11th C antipope, a 12th C pope, a 13th C pope, two 14th C popes, a 14th C antipope, a 15th C antipope, and two 16th C popes.