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)

Polly Bridges [1807]
|
 | |―Trafalgar Mare [1823]
 |   |―Canary [1833]
 |     |―Marietta [1842]
 |     | |―Mary B. [1852]
 |     |   |―Lady Sherrod [1860]
 |     |     |―Henrietta Welch [1867]
 |     |―Puss [1848]
 |       |―Jessie Dixon [1860]
 |         |―Hilda [1873]
 |           |―Di Vernon [1882]