| Sons | Grand-sons | |
Boulder Belle   Advance Guard (form Union Guard) (uk-usa 1900) x Ethelmoor |
Boulder Jane Persimmon (uk-usa) x Boulder Belle |
Boulder Amber Rufus Stone (late Rustic Rufus) (uk-usa) x Boulder Jane |
| Boulder May Persimmon (uk-usa) x Boulder Belle |
||
| Boulder Nell Persimmon (uk-usa) x Boulder Belle |
Boulder Dulcinia Boulder Stone x Boulder Nell |