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)

Pirouette [1873]
|
 | |―Avondale [1882]
 |   |―Nellie Bell [1890]
 |     |―Olathe [1907]
 |       |―Salathe [1916]
 |         |―Bunny Burr [1924]
 |           |―Crown O'Burr [1939]