Related Clues:
- 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
- Winter Palace succession
- Southampton FC
- Old Russian leaders
- Good Samaritan types
- Nicholas and Peter
- Bygone Russian leaders
- Line that ended in 1917