| Sons | Grand-sons | |
Cookstown Mickey   Hefty Surprise (can 45398) x Derbyshire Queen (uk-can) |
Kippax Mary Kippax Jock (uk-can) x Cookstown Mickey |
|
Oldham Lad  Beach Park Dan Reply x Cookstown Mickey |
||
| Surprise Queen Ch Beach Park Dominator Baldwin (can-usa) x Cookstown Mickey |
||
| White Lady (can) Beach Park Dan Reply x Cookstown Mickey |