| Answer | Crossword Clue |
|---|---|
| REY | Carlos I, II, III or IV |
| OTTOS | Holy Roman Emperors I, II, III and IV |
| WARS | I and II, e.g., but not yet III and IV |
| REY | Spain's Carlos I or II |
| ACT | I, II or III |
| TSAR | Fyodor I, II or III |
| ROMANOV | Peter I, II or III |
| TSAR | Peter I, II or III |
| ROI | Charles I, II, III ... or X |
| TSAR | Paul I, Peter II, or Ivan III |
