Diagnosis (牝 1931 黒鹿毛 Sweep)
 `-- Good Blood (牝 1942 黒鹿毛 Bull Lea)
     |-- Negative (牝 1950 黒鹿毛 Blenheim)
     |-- Barbizon (牡 1954 鹿毛 Polynesian)
     |-- Hillsborough (牡 1957 黒鹿毛 Ponder)
     |-- アウトリガー Outrigger [米] (牡 1958 鹿毛 Polynesian)
     |-- Sunny Chile (牝 1959 鹿毛 Sun Again)
     |   |-- Trendville (牝 1975 鹿毛 Fleet Nasrullah)
     |   `-- Happy One (牝 1978 鹿毛 Nashua)
     |-- Good Thought (牝 1965 鹿毛 On-And-On)
     |   `-- Lost Thought (牝 1990 Lost Code)
     `-- Crimson Queen (牝 1967 黒鹿毛 Crimson Satan)
         `-- Dancing Liz (牝 1972 栗毛 Northern Dancer)