Spilletta Heureka Z unites the blood of the successful sport stallions Spartacus (Marco Kutscher), Zandor Z (Jos Lansink), Artos Z (Mark Leone) and Ramiro Z (Fritz Ligges). In the dam’s line Spilletta carries the blood of two successful sport mares. Her great-grandam Rinnetou Z started in the World Cup Finals under Piet Raijmakers and her dam in the sixth remove Fairness Z (Hartwig Steenken) was one of the most successful showjumping horses in Germany end of the 60s. The offspring of Fairness Z also includes the international showjumping horses Apricot D (Hugo Simon), Zalza (Nick Skelton), Absolom Z (Michael Whitaker), Cornelis Z (Thomas Ehrnrooth), All Star (Denis Lynch) and Taalex (Constant van Paesschen).