| 馬名 | 父 | 母 | 生年 |
|---|---|---|---|
| O Play | Okapi | Playwell | 1937 |
| Okana | Okapi | Irvana | 1941 |
| Safeguard | Okapi | Guarded Queen | 1942 |
| Okapli | Okapi | Lirma | 1942 |
| Her Highness | Okapi | Guarded Queen | 1943 |
| Fidgety Miss | Okapi | Sunana | 1943 |
| Bad Light | Okapi | Red Glare | 1945 |
| Alma B. | Okapi | Saucy Sue | 1947 |
| Lady Kelzin | Okapi | Dora May | 1947 |
| Prissy Mary | Okapi | Mary's Last | 1948 |
| Dickie Sue | Okapi | Ticco | 1948 |
| Vantage | Okapi | Gold Crest | 1949 |
| Hidden Ship | Okapi | Star Quest | 1952 |
| Kapichan | Okapi | Marchan | 1954 |