| 馬名 | 父 | 母 | 生年 | ファミリー |
|---|---|---|---|---|
| Bellacose | Sir Cosmo | Orbella | 1932 | f2i |
| Cosmobelle | Sir Cosmo | Kilmeny | 1932 | f1n |
| Subrosa | Sir Cosmo | Tutrus | 1932 | f16f |
| Lady Bountiful | Sir Cosmo | Battling May | 1932 | f4k |
| Penang | Sir Cosmo | Marcareme | 1933 | f11c |
| Cosmo Lass | Sir Cosmo | Jocanta | 1933 | f16 |
| Panorama | Sir Cosmo | Happy Climax | 1936 | f1m |
| Vibration | Sir Cosmo | Ciliata | 1936 | f1a |
| Conceit | Sir Cosmo | Pierglas | 1936 | f10 |
| Allure | Sir Cosmo | Simonella | 1937 | f16h |
| Candidum | Sir Cosmo | Canna | 1937 | f2i |
| Khosro | Sir Cosmo | Straight Sequence | 1938 | f22 |
| Sugar Palm | Sir Cosmo | Sunny Palm | 1938 | f20c |
| Cosmea | Sir Cosmo | Miss Gallipoli | 1938 | f2a |
| Valerie | Sir Cosmo | Dereham | 1939 | f11f |
| Cosmetic | Sir Cosmo | Beautiful Girl | 1940 | f2n |
| Costume | Sir Cosmo | Boscage | 1940 | a13 |
| Bellacosette | Sir Cosmo | Orbella | 1940 | f2i |
| Culverhill | Sir Cosmo | Fiddle | 1940 | f14e |
| The Clachan | Sir Cosmo | Evangeline | 1940 | f3d |
| Lady Kilmurry | Sir Cosmo | Kilmurry | 1940 | f1n |
| Knight's Daughter | Sir Cosmo | Feola | 1941 | f2f |
| Good Morning | Sir Cosmo | Morning Dew | 1941 | f13b |
| Felasteen Cross | Sir Cosmo | Grey Velvet | 1941 | f8d |
| Como | Sir Cosmo | Maia | 1942 | f4f |
| Park Lane | Sir Cosmo | Stratton Street | 1943 | f2e |
| Lilting Lady | Sir Cosmo | The Bittern | 1944 | f4c |
| Two Star | Sir Cosmo | Rose Star | 1944 | f2s |
| Free Lady | Sir Cosmo | Acquit | 1944 | f16h |
| Circassia | Sir Cosmo | Samovar | 1945 | f1k |
| Palm Vista | Sir Cosmo | Datuva | 1945 | f20c |
| Kiyas | Sir Cosmo | Roman Justice | 1945 | f16h |
| Palm Branch | Sir Cosmo | Datuva | 1946 | f20c |
| Copper Knob | Sir Cosmo | Rhodesia | 1947 | f4o |