Problem ( 牝 1914 栗毛 Superman )
 |-- Friar's Carse ( 牝 1923 栗毛 Friar Rock )
 |   |-- Black Carse ( 牝 1927 黒鹿毛 Black Toney )
 |   |   `-- Playfull ( 牝 1940 栗毛 Chance Play )
 |   |-- Speed Boat ( 牝 1930 栗毛 Man o'War )
 |   |   |-- Swing Time ( 牝 1935 栗毛 Royal Minstrel )
 |   |   |-- The Sward ( 牝 1936 青毛 Sickle )
 |   |   |-- Annapolis Blue ( 牡 1937 黒鹿毛 Blue Larkspur )
 |   |   |-- Level Best ( 牝 1938 栗毛 Equipoise )
 |   |   |-- P T Boat ( 牝 1941 青毛 Trace Call )
 |   |   `-- Orrilla ( 牝 1944 黒鹿毛 Blue Larkspur )
 |   |-- Anchors Ahead ( 牝 1932 栗毛 Man o'War )
 |   |   |-- On the Level ( 牝 1939 青毛 Sickle )
 |   |   |-- Price Level ( 牝 1942 青毛 Sickle )
 |   |   |-- Air Hero ( 牡 1943 栗毛 Blenheim )
 |   |   |-- Honor Bound ( 牝 1945 黒鹿毛 Bull Dog )
 |   |   `-- Moolah Bux ( 牡 1952 芦毛 Mahmoud )
 |   |-- War Relic ( 牡 1938 芦毛 Man o'War )
 |   |-- War Kilt ( 牝 1943 栗毛 Man o'War ) 海外3勝
 |   |   |    1着 - デムワゼルS
 |   |   |    3着 - アストリアS
 |   |   |-- Providence ( 牝 1947 黒鹿毛 Easton )
 |   |   |-- Big Money ( 牡 1949 鹿毛 Bull Lea )
 |   |   |-- Way Out ( 牝 1954 栗毛 Alibhai )
 |   |   `-- Lady o'War ( 牝 1956 栗毛 Princequillo )
 |   `-- Air Comet ( 牝 1946 黒鹿毛 War Admiral )
 |   |   `-- Stratafire ( 牝 1951 芦毛 Mahmoud )
 |-- Afloat ( 牝 1929 栗毛 Man o'War )
 |   `-- Milk Dipper ( 牝 1935 栗毛 Milkman )
 |   |   |-- White Skies ( 牡 1949 栗毛 Sun Again )
 |   |   `-- Darling Carol ( 牝 1955 Sun Again )
 `-- Carmanchita ( 牝 1932 鹿毛 Sickle )
 |   `-- Yankee Lass ( 牝 1941 Son o'Battle )
 |   |   `-- ジエツト  [米] ( 牝 1950 黒鹿毛 Sabu )