| Answer | Crossword Clue |
|---|---|
| OTTOI | 10th-cen. Holy Roman Emperor known as "the Great" |
| OTTOI | Holy Roman emperor known as 'the Great' |
| OTTO | ... the Great (10th-century Holy Roman emperor) |
| OTTOII | Holy Roman emperor known as "the Red" |
| OTTOI | 10th-century emperor known as "the Great" |
| OTTOI | Roman emperor known as "the Great" |
