Greinton, a three-time Grade 1 winner, has died at stud in Berlin, according to Racing Post. A Green Dancer horse, he was 29.\r\nBred in Britain by Stavros Niarchos, Greinton was a stakes-winner in France before being sold to a United States partnership headed by trainer Charlie Whittingham. With Whittingham, Greinton won the Hollywood Gold Cup and Californian Stakes in 1985 and the Santa Anita Handicap in 1986. He also set a pair of track records at Hollywood, first going a mile in 1:32.60 in the Californian and again covering 1 1/4 miles in 1:58.40 in the Hollywood Gold Cup. He beat Precisionist in those back-to-back races.\r\nGreinton earned $1,943,605 in a career highlighted by wins in 10 of his 22 starts.\r\nGreinton entered stud in 1987 at Brookdale Farm in Kentucky but was bought for stud duty in Germany several years later. He died at Gestut Gorlsdorf near Berlin, where he had been covering &ldquo;three or four mares a year,&rdquo; according to the stud&rsquo;s chief executive Heike Bischoff. his most prominent runners are 2003 Austrian Horse of the Year Fensh, Polish champion Dawton, and such U. S. stakes-winners as Crosswood and King James, the latter also a course record-setter.\r\nGreinton was out of the High Top mare and group-placed winner Crystal Queen. She also produced Group 2-placed Crystal de Roche and stakes-winner Kailas.