| Sons | Grand-sons | |
Lady Mossarg   Bert Best x Queen High |
Bounce (usa 1933)  Heather Boy x Lady Mossarg |
|
Halsted Lady  Heather Boy x Lady Mossarg |
||
| Heather Boy Son O' Mike Double x Lady Mossarg |
||
| Sir John Bradford Heather Boy x Lady Mossarg |