Tap Day (牝 1947 鹿毛 Bull Lea)
 |-- Alibhai (牝 Alibhai)
 |-- Gladdest Years (牝 1953 鹿毛 Alibhai)
 |   `-- Three Quarter Girl (牝 1965 鹿毛 Cohoes)
 |       `-- Radiant Glow (牝 1973 栗毛 Northern Dancer)
 |-- Dean's List (牝 1955 鹿毛 Djeddah)
 |   `-- Make Note (牝 1960 栗毛 To Market)
 |       `-- Traffic Note (牝 1966 栗毛 Traffic Judge)
 |-- Secret Step (牝 1959 芦毛 Native Dancer)
 |   |-- Secret Symbol (牝 1966 Relko)
 |   |   `-- Dewantorro (牝 1982 Dewan)
 |   `-- School for Scandal (牝 1973 芦毛 Arts and Letters)
 |       `-- Plunkett Street (牝 1979 鹿毛 Habitat)
 `-- Quadrangle (牡 1961 鹿毛 Cohoes)