牝系ツリーβ(今のところサーバー負荷を考えて4代までの簡易版)

St. Donatts [1898]
|
 | |―Snowflight [1902]
 |   |―Reine de Neige [1917]
 |   | |―Sleigh Bell [1927]
 |   | | |―Alaska [1942]
 |   | | | |―Huely [1951]
 |   | | |   |―Otawa [1958]
 |   | | |―Invernal [1945] [1948-04-30  ラウル&ラウル・E.・チェバリエル大賞]
 |   | |―Queen Herod [1928]
 |   |   |―Psychic Bid [1932] [1934-07-31  サンフォードステークス, 1934-08-31  ホープフルステークス]
 |   |   |―Guarded Queen [1934]
 |   |   | |―Safeguard [1942] [1945-06-30  テストステークス]
 |   |   | |―Her Highness [1943]
 |   |   |―The Damsel [1935]
 |   |   | |―More Sun [1947] [1949-07-31  サラトガスペシャルステークス]
 |   |   | |―Nymph [1954]
 |   |   | | |―Tissie [1958]
 |   |   | | |―Cupid [1961] [1966-01-08  サンカルロスハンディキャップ]
 |   |   | |―Sun Heiress [1957]
 |   |   |   |―Royal Herod [1964]
 |   |   |   |―Ecole Etage [1970] [1975-04-26 USA-III リッグスハンディキャップ]
 |   |   |   |―Come on Sunshine [1974]
 |   |   |   |―Sharp Heiress [1978]
 |   |   |―Royal Venture [1936]
 |   |     |―Going Away [1946] [1951-01-31  マイアミビーチハンディキャップ]
 |   |―Snowcapt [1918]
 |     |―Snowdrop [1922]
 |     | |―Snowflake [1927] [1930-05-31  CCAオークス]
 |     |   |―Snow Flurry [1935]
 |     |   | |―Ariel Snow [1949]
 |     |   |―Driven Snow [1940]
 |     |   | |―Limbo Lass [1960]
 |     |   |―Snow Air [1941]
 |     |     |―Gray Owl [1954]
 |     |―Glacial [1926]
 |     | |―Far North [1935]
 |     | | |―Northern Cross [1946]
 |     | |   |―Ahnighito [1950]
 |     | |―Atomic Power [1944] [1947-02-28  ファウンテンオブユースステークス]
 |     |―Eastport [1934] [1937-03-31  アーカンソーダービー]