| Sons | Grand-sons | |
Thornton Olive   Grognon x Nell Of Bromley |
Thornbush Thornton Chief x Thornton Olive |
St Martin le Grand  Baronet Swasher x Thornbush Baronet Swasher x Thornbush |
| St Martins le Fields Baronet Swasher x Thornbush Baronet Swasher x Thornbush |
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Thornton Boy Leone (uk-usa)  Dick Dumpling x Thornton Olive |
Black Thornton Boy Thornton Boy Leone (uk-usa) x Molly Penfold (1902) Thornton Boy Leone (uk-usa) x Molly Penfold (1902) |
|
| Dolly Penfold Thornton Boy Leone (uk-usa) x Molly Penfold (1902) Thornton Boy Leone (uk-usa) x Molly Penfold (1902) |
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Hever Dexter (uk-au)  Thornton Boy Leone (uk-usa) x Hever Mischief Thornton Boy Leone (uk-usa) x Hever Mischief |
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Lady Of Brookdale  Thornton Boy Leone (uk-usa) x Ingoldsby Queen Thornton Boy Leone (uk-usa) x Ingoldsby Queen |
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| Leone Caruso Thornton Boy Leone (uk-usa) x Ingoldsby Queen Thornton Boy Leone (uk-usa) x Ingoldsby Queen |
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| Mollie Thornton Thornton Boy Leone (uk-usa) x Ingoldsby Queen Thornton Boy Leone (uk-usa) x Ingoldsby Queen |
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| Penfold Thornton Thornton Boy Leone (uk-usa) x Molly Penfold (1902) Thornton Boy Leone (uk-usa) x Molly Penfold (1902) |
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| Saucy Kate Thornton Boy Leone (uk-usa) x Hever May Thornton Boy Leone (uk-usa) x Hever May |
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| Senator Thornton Boy Leone (uk-usa) x Leone Whitey Thornton Boy Leone (uk-usa) x Leone Whitey |
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| Sunny Sally Thornton Boy Leone (uk-usa) x Molly Penfold (1902) Thornton Boy Leone (uk-usa) x Molly Penfold (1902) |
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| Woodcraft Magnet Thornton Boy Leone (uk-usa) x Tiger Flo (uk-usa) Thornton Boy Leone (uk-usa) x Tiger Flo (uk-usa) |