Foal sire Boom goes back to the first-class foal maker Bonds. From the third dam, Casino Royal by Casador, dressage M** successful. From the dam line are the licensed Löwenzahn by Lionheart, Apache by Attila and Ruben As by Rohdiamant. The dressage S* successful Jonathan S by Johnson and Divinity CR by Donates also belong to this dam line.