| Clue | Source | Date |
|---|---|---|
| 'Sixth' in Rome | ||
| Sixth, in Siena | Wall Street Journal | 07 Sep 2019 |
| Sixth, in Siena | ||
| Sixth: It | New York Times | 03 Dec 2016 |
| Sixth: It. | ||
| Last Pope Paolo, numerically | ||
| Sixth in Sardinia | ||
| Sixth in San Marino | ||
| Sixth: It. | ||
| Sixth, in Siena | ||
| Luigi's sixth | ||
| Sixth, in Italy | ||
| Sixth, in Turin | ||
| Sixth: Italian. | ||
| Sixth, in Italy. | ||
| A sixth: Italian. |