Daylight Saving (牝 1918 鹿毛 Star Shoot)
 |-- One Hour (牝 1925 鹿毛 Snob)
 |   |-- Morning (牝 1934 栗毛 American Flag)
 |   |   |-- Good Morning (牝 1940 黒鹿毛 Sir Gallahad)
 |   |   |-- Count Flame (牡 1949 栗毛 Count Fleet)
 |   |   `-- Morn Again (牝 1954 栗毛 Sun Again)
 |   |-- Zero Hour (牝 1938 栗毛 Blenheim)
 |   |   `-- Sixtyminutes (牝 1943 鹿毛 Johnstown)
 |   |-- Blenhour (牝 1940 栗毛 Blenheim)
 |   |-- Hoop Jr. (牡 1942 鹿毛 Sir Gallahad)
 |   `-- Seaton Pippin (牝 1944 鹿毛 Johnstown)
 |       |-- Trying (牝 1952 鹿毛 Endeavour)
 |       `-- Winesap (牝 1959 鹿毛 Dedicate)
 |-- Clock Tower (牡 1928 黒鹿毛 Snob)
 `-- Time Off (牝 1931 栗毛 Man o'War)
     `-- Bostoff (牝 1939 鹿毛 Bostonian)
         `-- Dugout (牝 1949 栗毛 Shut Out)