| Roan Pearl Roan 1958 0119358 | Joe O'Brien Jr Sorrel 1943 0004858 | Joe O'Brien Chestnut 1935 0000487 | Duke Unknown Unknown U0171093 | Unknown Sire Unknown Unknown 0444444 |
| Unknown Mare Unknown Unknown 0555555 | ||||
| Timbo Unknown Unknown U0080725 | Sykes Rondo Unknown Unknown U0069118 | |||
| Unknown Mare Unknown Unknown 0555555 | ||||
| Mamie O'Brien Bay 1925 0000493 | Unknown Sire | Unknown Sire | ||
| Unknown Mare | ||||
| Unknown Mare | Unknown Sire | |||
| Unknown Mare | ||||
| Miss Irene Roan 1947 0023050 | Red Head Roan 1939 0000813 | Unknown Sire | Unknown Sire | |
| Unknown Mare | ||||
| Unknown Mare | Unknown Sire | |||
| Unknown Mare | ||||
| Lucy B Brown 1941 0002793 | Unknown Sire | Unknown Sire | ||
| Unknown Mare | ||||
| Unknown Mare | Unknown Sire | |||
| Unknown Mare |