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)
 |   |-- 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)