Head Note (牝 1917 栗毛 Orby)
 |-- Turtledove (牝 1926 鹿毛 Son-in-Law)
 |   |-- Peaceful Light (牝 1936 栗毛 Le Phare)
 |   |   |-- Porthaven (牝 1943 鹿毛 Portlaw)
 |   |   `-- Warning Light (牝 1949 鹿毛 Bellacose)
 |   `-- Sisterchase (牝 1941 栗毛 Wychwood Abbot)
 |       `-- Tyrone's Power (牝 1951 栗毛 Golden Cloud)
 |-- Cicada (牝 1928 鹿毛 Phalaris)
 |   `-- Quocada (牝 1942 栗毛 Chateau Bouscaut)
 |       `-- Castle Hill (牡 1950 栗毛 Hyperion)
 `-- The Drone (牝 1933 黒鹿毛 Buchan)
     |-- Swarm (牝 1941 栗毛 Precipitation)
     |   `-- Flighty Falls (牝 1952 栗毛 Falls of Clyde)
     `-- Idle Lovliness (牝 1946 鹿毛 Casanova)
         `-- L'Amour Toujours (牝 1958 栗毛 Never Say Die)