Assignation (牝 1930 鹿毛 Teddy)
 |-- Cinquepace (牝 1934 鹿毛 Brown Bud)
 |   `-- Imperatrice (牝 1938 黒鹿毛 Caruso)
 |       |-- Scattered (牝 1945 栗毛 Whirlaway)
 |       |-- Imperium (牡 1946 黒鹿毛 Piping Rock)
 |       |-- Somethingroyal (牝 1952 鹿毛 Princequillo)
 |       |-- Imperial Hill (牝 1956 鹿毛 Hill Prince)
 |       `-- Speedwell (牝 1960 鹿毛 Bold Ruler)
 |-- Estoril (牝 1941 栗毛 Stimulus)
 |   `-- Estelleann (牝 1949 鹿毛 Bull Lea)
 `-- Boola (牝 1946 栗毛 Boojum)
     |-- Whitewash (牝 1952 芦毛 Mahmoud)
     |   `-- Tooley (牡 1957 芦毛 Turn-to)
     `-- Bouillabaisse (牝 1956 栗毛 Counterpoint)
         |-- Fish House (牝 1964 黒鹿毛 Porterhouse)
         |-- La Peruse (牝 1965 栗毛 Tom Fool)
         `-- ラビューラ La Boula [米] (牝 1966 鹿毛 Never Bend)