Royal Blue Boon appears in the following Tie down horses.
If a name occurs more than once on the list,  Royal Blue Boon is present that many times in the 5 generation pedigree.

Horse Name	Born	Sex	Event	Sire	Dam
Big Red	2002	g	Tie down	Shinners Voodoo Dr	Big Mama Cat
Dinero3	2012	g	Tie down	PG Gunpowder	Rules the Roost
Mario	2006	g	Tie down	Duals Blue Boon	Billy Joes Baby
Nitro	2003	g	Tie down	Nitro Dual Doc	Maderas CD Player
River	2019	g	Tie down	Smooth as a Cat	Creedence Clearwater
Rudy 2	2013	g	Tie down	Metallic Cat	Ha Gay Freckles