Tetrarchy ( 牝 1927 鹿毛 Tetratema )
 |-- Slapdash ( 牝 1931 鹿毛 Stimulus )
 |   |-- Scurry ( 牝 1937 鹿毛 Diavolo )
 |   |   |-- Tap Day ( 牝 1947 鹿毛 Bull Lea )
 |   |   |-- Hurrily ( 牝 1948 鹿毛 Bull Lea )
 |   |   `-- Bolette ( 牝 1953 栗毛 Bolero )
 |   |-- Slap ( 牝 1938 黒鹿毛 Sir Gallahad )
 |   |   |-- Quick Retort ( 牝 1946 鹿毛 Count Fleet )
 |   |   |-- Insolence ( 牝 1947 芦毛 Mahmoud )
 |   |   `-- Camouflet ( 牝 1949 Bimelech )
 |   |-- Miss Govolo ( 牝 1940 Diavolo )
 |   |   `-- Volo Dash ( 牝 1955 Supremo )
 |   |-- Snarkling ( 牝 1942 鹿毛 Snark )
 |   |   `-- Classic Verse ( 牝 1948 黒鹿毛 Blenheim )
 |   |-- Grandma's Pay ( 牝 1948 鹿毛 Hash )
 |   |   `-- Granny's Pride ( 牝 1960 鹿毛 Roman )
 |   `-- Grandma's Day ( 牝 1948 Hash )
 |-- Grand Gala ( 牝 1937 鹿毛 Sir Gallahad )
 |   `-- Gay Darling ( 牝 1951 芦毛 Mahmoud )
 |   |   |-- Oh Susanna ( 牝 1966 栗毛 Olden Times )
 |   |   `-- Prove It Darling ( 牝 1968 鹿毛 Prove It )
 `-- Optimism ( 牝 1940 栗毛 Snark )