Claim: Key Change, (was an Irish Thoroughbred racehorse and broodmare known for winning the Yorkshire Oaks in 1996.) was sire by Darshaan (GB) 1981 and was able to sire two more foals named Shirley Heights (GB) 1975 and Delsy (FR)1972, while her dam Kashka (USA) 1983 was able to produce two foals named The Minstrel (CAN) 1974 and Kalkeen (IRE) 1974.
Evidence: Key Change (foaled 10 May 1993) was an Irish Thoroughbred racehorse and broodmare best known for winning the Yorkshire Oaks in 1996. Shirley Heights (GB)
1975 Delsy (FR)
1972 The Minstrel (CAN)
1974 Kalkeen (IRE)
1974 Pedigree of Key Change (IRE), bay mare, 1993