Speed Boat (牝 1930 栗毛 Man o'War)
 |-- Swing Time (牝 1935 栗毛 Royal Minstrel)
 |   |-- Carioca (牝 1948 鹿毛 Star Beacon)
 |   |   `-- Flora Macdonald (牝 1958 栗毛 Alquest)
 |   |-- Highland Fling (牝 1950 黒鹿毛 By Jimminy)
 |   |   |-- Sword Dancer (牡 1956 栗毛 Sunglow)
 |   |   |-- Piper's Tune (牝 1962 鹿毛 Princequillo)
 |   |   `-- Around Two Turns (牡 1964 鹿毛 Round Table)
 |   `-- O'Alison (牝 1951 鹿毛 Rosemont)
 |       `-- Ali O'Ali (牝 1960 Alibhai)
 |-- The Sward (牝 1936 青毛 Sickle)
 |   `-- Ellendale (牝 1944 黒鹿毛 Bimelech)
 |       |-- War Age (牡 1949 黒鹿毛 War Relic)
 |       |-- Ellen's Best (牝 1952 黒鹿毛 War Relic)
 |       `-- Findelen (牝 1954 鹿毛 War Relic)
 |-- Annapolis Blue (牡 1937 黒鹿毛 Blue Larkspur)
 |-- Level Best (牝 1938 栗毛 Equipoise)
 |   |-- Uno Best (牝 1944 鹿毛 Sir Gallahad)
 |   |   `-- Bright Silver (牝 1958 芦毛 Native Dancer)
 |   |-- Top Level (牝 1948 黒鹿毛 Blenheim)
 |   |   `-- Levelix (牝 1956 鹿毛 Ambiorix)
 |   |-- Level Lea (牡 1950 鹿毛 Bull Lea)
 |   `-- Hot Blood (牝 1952 栗毛 Nasrullah)
 |       `-- ミネアポリス Minneapolis J. [米] (牝 1968 鹿毛 Iron Peg)
 |-- P T Boat (牝 1941 青毛 Trace Call)
 |   `-- Up Early (牝 1948 栗毛 Sun Again)
 |       |-- Peep O Dawn (牝 1957 黒鹿毛 Nasrullah)
 |       |-- Bells Ringing (牝 1964 Tambourine)
 |       `-- ラデイヤーヌ La Diane [仏] (牝 1965 青毛 Tiepoletto)
 `-- Orrilla (牝 1944 黒鹿毛 Blue Larkspur)
     `-- End over End (牝 1955 鹿毛 Endeavour)
         `-- Maggie Muggins (牝 1968 芦毛 Swerve)