Formal auction foal at the SELL Foal Auction, Don Juan de Hus, has won almost every possible in France at a young age and is now being prepared for the Small Tour. His son D'Avie was auctioned at the 2014 Hanoverian Stallion Licensing for 620,000 euros. Dam Sophie (Don Schufro) competed in France at Grand Prix dressage level with Maxime Collard.
Keira's grandam Surprise du Jour (Sandro Hit) was sold in the 2001 PSI Auction for as much as 530,000 euros. She is a (half) sister of the licensed stallions Stoiber SN and Dardanos N and comes out of the State Premium mare Woitana (Weltmeyer), an aunt of the famous Grand Prix dressage stallion Fidermark, the Grand Prix dressage horse Donnero and the Small Tour dressage stallion Soliere (Sandro Hit) who won silver at the 2010 World Championships for young dressage horses.