Grey Swallow's pedigree includes Champion Thoroughbred racehorse Mill Reef and American bred Miswaki as third-degreeancestors.
Doyoun (IRE)
1985 Daltawa (IRE)
1989 Mill Reef Mill Reef (19681986) was a Champion Thoroughbred racehorse and sire. Miswaki Miswaki (February 22, 1978  December 17, 2004) was an American bred Thoroughbred racehorse who was a Group One winner in France as well as a stakes race winner in the United States. 
