| Answer | Crossword Clue |
|---|---|
| OTHO | Roman Emperor, 936-973. |
| OTHOI | Emperor, 936-973. |
| OTTOI | Holy Roman emperor (962-973) |
| OTTO | Holy Roman emperor (962-973). |
| OTHO | Holy Roman Emperor, 962-973. |
| OTTOII | Holy Roman emperor, 973-83 |
| OTTOII | Holy Roman emperor who succeeded his father in 973 |
