Sire of 4 World Champions and 4 Reserve World Champions As of 08/09/05 With less than 15 of his foals ever showing in the U.S./ Sierra has sired a WC, RWC or a top ten at the world show each year since 1994. 229 foals. 53 show record, 2298 pts in Halter/301 pts in perf., 13 Superior horses.