| Answer | Crossword Clue |
|---|---|
| PIUSI | First of twelve popes |
| PIUS | Name of twelve popes |
| PIUS | Name of twelve Popes |
| PIUS | Name of twelve Popes. |
| PIUS | One of twelve popes, or an antipope |
| PAULI | First of six popes |
| LEOI | First of 13 popes |
| PIUSI | First of 12 popes |
| LEOI | First of thirteen Popes |
| JOHNI | First of 23 like-named Popes |
| LEOI | First in a string of popes |
| LEOI | First in a string of 13 popes |
| LEOI | First in a string of 13 Popes |
| LEOI | First of a string of 13 popes |
| PIUSI | First of 12 popes with a religious-sounding name |
| LEOI | First in a (non-contiguous) series of thirteen popes |
| PIUSI | First of 12 popes who shared an appropriate name |
