Blue Lu (牝 1936 鹿毛 Blue Larkspur)
 |-- Efficiency (牝 1946 鹿毛 Sweep All)
 |   `-- With Winnie (牝 1956 栗毛 With Pleasure)
 |       `-- Lunar Dancer (牝 1968 栗毛 Northern Dancer)
 |-- Big Lu (牝 1948 鹿毛 Challedon)
 |   `-- Bolero U. (牡 1955 鹿毛 Bolero)
 |-- Blue Violin (牝 1951 栗毛 First Fiddle)
 |   `-- Gay Violin (牝 1964 鹿毛 Sir Gaylord)
 |       |-- Gay Fandango (牡 1972 栗毛 Forli)
 |       |-- Minstrelete (牝 1973 鹿毛 Round Table)
 |       `-- ミュージックロイヤル Musique Royale [米] (牝 1981 鹿毛 Northern Dancer)
 `-- Got Idea (牝 1961 栗毛 Sub Fleet)
     `-- Bushido (牡 1966 黒鹿毛 Tudor Grey)