Complex sentence: Bago's dam Moonlight's Box, a daughter of the Champion Sire Nureyev, who also sired Miesque the dual Breeders' Cup winner, she in turn is out of Group 1 winning Coup de Genie a full sister to Machiavellian.
Split into simpler sentences: Bago's dam Moonlight's Box, a daughter of the Champion Sire Nureyev, who also sired Miesque the dual Breeders' Cup winner. She in turn is out of Group 1 winning Coup de Genie, a full sister to Machiavellian.