| Sons | Grand-sons | |
Silver Foam   Rival Stone x Miss Elgina |
Electric Spark (uk-usa)  Tollington x Silver Foam |
Electric Boom Shell (uk-usa)  Rival Stone x Electric Spark (uk-usa) Rival Stone x Electric Spark (uk-usa) |
Electric Spark (uk-can)  Rival Stone x Electric Spark (uk-usa) Rival Stone x Electric Spark (uk-usa) |