Related Clues:
- Absolute rulers
- Three Ivans
- 'The ___ Bride' (Rimsky-Korsakov opera)
- Serbian Empire rulers
- Old line in Russia
- Ivan the Terrible et al
- Pre-Soviet succession
- Peters out after 1762, for example
- Old rulers
- High chiefs of sports
- Old Russian line
- Russian dynasts
- Winter Palace succession
- Old Russian leaders
- Nicholas and Peter