| Mr Blackburn 14 Dun 1961 0186290 | Poco Bob Dun 1952 0042956 | Poco Bueno Brown 1944 0003044 | King Bay 1932 0000234 | Zantanon Sorrel 1917 U0081745 |
| Jabalina Unknown Unknown U0072570 | ||||
| Miss Taylor Bay 1933 0002636 | Poco Bueno 1 Unknown Unknown U0078081 | |||
| Mare by Hickory Bill Unknown Unknown U0074801 | ||||
| Lady Blackburn III Palomino 1939 0002551 | Blackburn Dun 1927 0002228 | Yellow Jacket Unknown Unknown U0081674 | ||
| Siss Unknown Unknown U0079663 | ||||
| Rainy Day Mare Unknown Unknown U0075711 | Waggoner's Rainy Day Dun 1925 0000013 | |||
| Unknown Mare Unknown Unknown 0555555 | ||||
| Lady Cowan 10 Dun 1950 0072237 | Blackburn Dun 1927 0002228 | Yellow Jacket Unknown Unknown U0081674 | Little Rondo Unknown Unknown U0075570 | |
| Barbee Dun Unknown Unknown U0074789 | ||||
| Siss Unknown Unknown U0079663 | Peter McCue Bay 1895 U0077937 | |||
| Unknown Mare Unknown Unknown 0555555 | ||||
| Cowan Quarter Mare Unknown Unknown U0069867 | Unknown Sire | Unknown Sire | ||
| Unknown Mare | ||||
| Unknown Mare | Unknown Sire | |||
| Unknown Mare |