Peggy Porter (牝 1934 栗毛 The Porter)
 |-- College Belle (牝 1940 芦毛 Belfonds)
 |   `-- Gray Belle (牝 1950 芦毛 Amphitheatre)
 |       `-- Belle's Gal (牝 1959 芦毛 Hellcat)
 |-- Blue Cyprus (牝 1941 鹿毛 Blue Larkspur)
 |   `-- Wisteria (牝 1948 鹿毛 Easton)
 |       |-- Social Climber (牡 1953 鹿毛 Your Host)
 |       `-- ソシアルバターフライ Social Butterfly [米] (牝 1957 鹿毛 Your Host)
 |-- Red Stamp (牝 1943 鹿毛 Bimelech)
 |   `-- Porterhouse (牡 1951 黒鹿毛 Endeavour)
 |-- Saint Like (牝 1949 鹿毛 Piping Rock)
 |   `-- Attainment (牝 1958 鹿毛 Correspondent)
 |       `-- Maintain (牝 1962 鹿毛 Windsor Ruler)
 `-- Tanned (牝 1957 栗毛 More Sun)
     `-- Warmed Bottom (牝 1968 栗毛 ヒッティングアウェー)
         `-- Cloudy and Warm (牝 1976 芦毛 Cloudy Dawn)