| Perty Susie Bee Unknown 1991 2981410 | Perty Buck Poco Grullo 1975 1157957 | Mr Blackburn 41 Dun 1963 0246868 | Pretty Buck Brown 1942 0002103 | Pretty Boy Brown 1928 0002229 |
| Mare by Buck Thomas Unknown Unknown U0074608 | ||||
| Lady Cowan 6 Bay 1950 0072255 | Blackburn Dun 1927 0002228 | |||
| Cowan Mare Unknown Unknown U0069865 | ||||
| Mr 14's Susie Dun 1964 0341419 | Mr Blackburn 14 Dun 1961 0186290 | Poco Bob Dun 1952 0042956 | ||
| Lady Cowan 10 Dun 1950 0072237 | ||||
| Bert's Susie Bee Gray 1954 0111261 | Buster W Bay 1947 0011514 | |||
| Bert's Bay Susie Bay 1948 0098364 | ||||
| Crystal Springs 1 Unknown 1972 0883133 | Mr Blackburn 40 Bay 1963 0246867 | Pretty Buck Brown 1942 0002103 | Pretty Boy Brown 1928 0002229 | |
| Mare by Buck Thomas Unknown Unknown U0074608 | ||||
| Lady Cowan 5 Dun 1950 0072249 | Blackburn Dun 1927 0002228 | |||
| Cowan Mare Unknown Unknown U0069865 | ||||
| Blackburn 59 Unknown 1964 0304091 | Unknown Sire | Unknown Sire | ||
| Unknown Mare | ||||
| Unknown Mare | Unknown Sire | |||
| Unknown Mare |