| Pedigree of Royal Riley a'Leannan of Thistledown Farms |
|---|
Royal Riley a'Leannan of Thistledown Farms | 
Royal Isle of Sky | 
Vaccaro's Waylon | 
Heritage New Shep |
VKs Cerys Mathair Bell |
Grant's Schoolhouse Ranch Bonnie | 
Sir Archibald Forbes |
Ford's Vineyard Rose |
Silver Dollar's Agnes of Royal old-time scotch collies | 
Silver Dollar's Captain Kirk | 
Strunk's Dunrovin Rover II |
Heritage Majestic Shasta |
Silver Dollar's Kay-Nine | 
Heiland Thistle's Diego |
| Heiland Thistle Emma |
| This pedigree was generated by the Scotch Collie Pedigree Database |