| 馬名 | 父 | 母 | 生年 | ファミリー |
|---|---|---|---|---|
| O Play | Okapi | Playwell | 1937 | f16g |
| Okana | Okapi | Irvana | 1941 | f20a |
| Okapli | Okapi | Lirma | 1942 | f1w |
| Safeguard | Okapi | Guarded Queen | 1942 | f16g |
| Her Highness | Okapi | Guarded Queen | 1943 | f16g |
| Fidgety Miss | Okapi | Sunana | 1943 | f4n |
| Bad Light | Okapi | Red Glare | 1945 | f8c |
| Lady Kelzin | Okapi | Dora May | 1947 | a1 |
| Dickie Sue | Okapi | Ticco | 1948 | f8k |
| Prissy Mary | Okapi | Mary's Last | 1948 | f4m |
| Hidden Ship | Okapi | Star Quest | 1952 | f1l |
| Kapichan | Okapi | Marchan | 1954 | f19c |