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)

Queen's Order [1969]
|
 | |―Impressive Nymph [1974]
 |   |―Tacaro's Queen [1983]
 |     |―Known as Nancy [1990]
 |       |―Steel the Ball [1996]