| Sons | Grand-sons | |
Texas Duke   Fort Worth John Bull (uk-usa) x Rydal Betty |
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 Ospringe St Louis (uk-can) x Texworth Tony |
|
| Texworth Big Boy Ospringe St Louis (uk-can) x Texworth Tony Ospringe St Louis (uk-can) x Texworth Tony |