| Sons | Grand-sons | |
Master Key (uk-usa)   Barnie Bee x Wendy Bee |
Chunk Key Master Key (uk-usa) x Independence Two Spot |
|
| Low Gear Master Key (uk-usa) x Independence Two Spot |
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| Punch Drunk Master Key (uk-usa) x Independence Two Spot |
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| The Thunderbolt Master Key (uk-usa) x Independence Two Spot |