| Sons | Grand-sons | |
Miss Elgina   Ben Stone x Boston Anne |
Hewlett Foam (uk-usa)  Rival Stone x Miss Elgina |
|
| Silver Foam Rival Stone x Miss Elgina |
Electric Spark (uk-usa) Tollington x Silver Foam Tollington x Silver Foam |
| Sons | Grand-sons | |
| Miss Elgina Ben Stone x Boston Anne |
Hewlett Foam (uk-usa) Rival Stone x Miss Elgina |
|
| Silver Foam Rival Stone x Miss Elgina |
Electric Spark (uk-usa) Tollington x Silver Foam Tollington x Silver Foam |