| Go Blackburn Chestnut 1980 1639011 | Gofer Broke Chestnut 1971 0907556 | Go Man Go Roan 1953 0082000 | Top Deck Brown 1945 T0066172 | Equestrian Chestnut 1936 T0145907 |
| River Boat Bay 1939 T0153144 | ||||
| Lightfoot Sis Sorrel 1945 A0024753 | Very Wise Chestnut 1932 T0066692 | |||
| Clear Track Gray 1933 0002474 | ||||
| Miss Sure Bar Sorrel 1965 0373031 | Mr Bar None Sorrel 1955 0065848 | Three Bars Chestnut 1940 T0065983 | ||
| Murl L Sorrel 1943 0005309 | ||||
| Sure Susie Chestnut 1955 0064061 | Unknown Sire | |||
| Unknown Mare | ||||
| Blackburn 65 Bay 1965 0371396 | Poco Eagle Brown 1956 0060512 | Poco Rey Brown 1948 0018732 | Poco Bueno Brown 1944 0003044 | |
| Diamond Oakes Chestnut 1932 0000744 | ||||
| Scar Face S Brown 1935 0005863 | Bailey 1 Unknown Unknown U0067751 | |||
| Mare by Midnight Unknown Unknown U0074950 | ||||
| Lady Cowan 4 Dun 1950 0072250 | Blackburn Dun 1927 0002228 | Yellow Jacket Unknown Unknown U0081674 | ||
| Siss Unknown Unknown U0079663 | ||||
| Cowan Mare Unknown Unknown U0069865 | Unknown Sire Unknown Unknown 0444444 | |||
| Unknown Mare Unknown Unknown 0555555 |