 Adding his great-grandson Danehill Dancer, who was the leading sire in 2009, the Northern Dancer sire line has accounted for every champion sire title in Great Britain and Ireland from 1990 to 2019 inclusive.He is the paternal grand-sire of a record 29 different English Classic winners — the next closest in this regard is St. Simon with 23.As for the Epsom Derby, a 2011 study showed that every winner since 1998 had Northern Dancer in his pedigree.