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)

Black Art [1843]
|
 | |―Try Back [1853]
 |   |―Madeira [1865] [1868-05-31  アイリッシュダービー]
 |   |―Lizzy [1866]
 |     |―Cairo [1882]
 |       |―Melba [1891]
 |         |―Australian Daisy [1909]
 |           |―Landstock [1913]