Throttle Wide (牝 1936 黒鹿毛 Flying Heels)
 |-- Miss Request (牝 1945 鹿毛 Requested)
 |   |-- Gayquest (牝 1955 栗毛 Blue Swords)
 |   |   |-- Happy Rule (牝 1965 鹿毛 One-Eyed King)
 |   |   `-- Ridge Blond (牝 1966 栗毛 Olden Times)
 |   `-- Miss Love Field (牝 1961 栗毛 Jet Pilot)
 |       `-- Illustrative (牝 1973 青毛 Cornish Prince)
 |-- Nimble Feet (牝 1957 青鹿毛 Spy Song)
 |   |-- Rare Relish (牝 1963 黒鹿毛 Johns Joy)
 |   |   |-- Mostly (牝 1969 鹿毛 Grey Dawn)
 |   |   |-- Chas' Lady (牝 1978 黒鹿毛 Key to the Kingdom)
 |   |   `-- Miss Cabell Co. (牝 1981 黒鹿毛 Junction)
 |   `-- Nimble Deb (牝 1969 鹿毛 Lucky Debonair)
 |       `-- Saucy Deb (牝 1984 鹿毛 Mr. Leader)
 `-- Fast Line (牝 1958 鹿毛 Mr. Busher)
     |-- Fairway Fun (牝 1962 黒鹿毛 Prince John)
     |   |-- Fairway Flyer (牝 1969 鹿毛 Nashua)
     |   |-- Torsion (牡 1970 鹿毛 Never Bend)
     |   |-- Fairway Fable (牝 1971 鹿毛 Never Bend)
     |   |-- Fun Forever (牝 1973 鹿毛 Never Bend)
     |   `-- Pursuit (牡 1975 鹿毛 Never Bend)
     |-- Day Line (牝 1963 黒鹿毛 Day Court)
     |   |-- Magazine (牝 1970 鹿毛 Prince John)
     |   `-- Esdiev (牝 1977 黒鹿毛 Secretariat)
     |-- Trick Chick (牝 1966 栗毛 Prince John)
     |   |-- On the Sly (牡 1973 黒鹿毛 Roi Dagobert)
     |   |-- Sweet Slew (牝 1980 鹿毛 Seattle Slew)
     |   |-- Northern Trick (牝 1981 栗毛 Northern Dancer) 海外4勝
     |   |   |    1着 - 仏オークス(G1)、ヴェルメイユ賞(G1)、ノネット賞(G3)
     |   |   |    2着 - 凱旋門賞(G1)、サンタラリ賞(G1)
     |   |-- Inside Line (牝 1986 Slew o' Gold)
     |   `-- ソヴリナトウショウ (牝 1989 鹿毛 Sovereign Dancer)
     |-- Near Lyn (牝 1969 鹿毛 Nearctic)
     |   |-- Nearly a Princess (牝 1976 栗毛 Prince John)
     |   `-- Leprechaun Lyn (牝 1986 黒鹿毛 Irish Tower)
     |-- Filiberto (牡 1970 鹿毛 Ribot)
     |-- Saratoga Trunk (牝 1972 Raise a Native)
     |   `-- Every August (牝 1979 Key to the Mint)
     |-- Mlle. Vitesse (牝 1974 Tom Rolfe)
     |   |-- Mirea (牝 1979 栗毛 The Minstrel) 海外1勝
     |   `-- ミンストレルスミステック Minstrels Mystique [米] (牝 1984 鹿毛 The Minstrel)
     |-- White Star Line (牝 1975 鹿毛 Northern Dancer)
     |   |-- Urjwan (牝 1984 黒鹿毛 Seattle Slew)
     |   |-- Lustre (牝 1985 黒鹿毛 Halo)
     |   |-- Whitehaven (牝 1987 鹿毛 Top Ville)
     |   |-- Hill of Snow (牝 1992 鹿毛 Reference Point)
     |   `-- White Star (牝 1996 鹿毛 Darshaan)
     `-- Nissr (牡 1977 鹿毛 Nijinsky)