| Sons | Grand-sons | |
Collinsworth Lass   Jim Ferguson x Starr I I |
Brindle Mischief Texas Duke x Collinsworth Lass |
|
Jelly (usa)  Texas Duke x Collinsworth Lass |
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| Tarrant Boy Texas Duke x Collinsworth Lass |
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| Texas Spike Texas Duke x Collinsworth Lass |
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| Texworth Tony Texas Duke x Collinsworth Lass |
Maggie Muggs Ospringe St Louis (uk-can) x Texworth Tony |
|
| Texworth Big Boy Ospringe St Louis (uk-can) x Texworth Tony |